Four friends, Abraham, Benjamin, Charles and David, bet on four matches. Each one of them started with an integral number of Rupees and had an integral number of Rupees after every match. In every match, the loser gave a certain amount to the remaining players.
Abraham lost the bet in the first match and gave to each of the others 2/3rd of the amount they already had. For example if Benjamin had Rs 90 in the beginning, he would have received Rs 60 from Abraham.
Benjamin lost the bet in the second match and gave to each of the others 2/3rd of the amount they already had.
Charles lost the bet in the third match and gave to each of the others half of the amount they already had. David lost the bet in the fourth match and gave to each of the others half of the amount they already had..
After the fourth match, each one of them had an equal amount of Rs X
What is the minimum possible value of X?