Four brothers divided a sum of money among themselves. Nikhil divided the money into four parts, took one part and one-fourth of the remaining money for himself. The amount left over was again divided into three parts. Vinod took one part and one-third of the remaining money. Rohit then divided the left over money into two parts. He took one and a half part of the remaining. Bharat took the left over money for himself which amounted to 12,800.
In what ratio was the sum divided among the brother?