Finding the Fourth Proportional to 1,167,250.31, 1,610,531.15 and 708,354.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,250.31 : 1,610,531.15 = 708,354.49 : x
2. Step 2: Convert to fraction form
   1,167,250.31/1,610,531.15 = 708,354.49/x
3. Step 3: Cross multiply
   1,167,250.31x = 1,610,531.15 × 708,354.49
4. Step 4: Simplify right side
   1,167,250.31x = 1,140,826,973,111.82
5. Step 5: Solve for x
   x = 1,140,826,973,111.82/1,167,250.31
6. Step 6: Final answer
   x = 977,362.75