A loan of $10,000 is to be repaid by three payments of $2500 due in two, four,

Question:

A loan of $10,000 is to be repaid by three payments of $2500 due in two, four, and six months, and a fourth payment due in eight months. What should be the size of the fourth payment if an interest rate of 11% is charged on the loan? Use today as the focal date.