The equivalent single replacement payment is?? Please help

Scheduled payments of $1135, $891, and $1431 are due in one-and-a-half years, three-and-a-half years, and five years respectively. What is the equivalent single replacement payment two years from now if interest is 6.3% compounded annually? The equivalent single replacement payment is $. (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)