Finding the Fourth Proportional to 942,691.69, 1,300,687.69 and 555,522.92

Step by Step Solution

1. Step 1: Write the proportion equation
   942,691.69 : 1,300,687.69 = 555,522.92 : x
2. Step 2: Convert to fraction form
   942,691.69/1,300,687.69 = 555,522.92/x
3. Step 3: Cross multiply
   942,691.69x = 1,300,687.69 × 555,522.92
4. Step 4: Simplify right side
   942,691.69x = 722,561,828,900.16
5. Step 5: Solve for x
   x = 722,561,828,900.16/942,691.69
6. Step 6: Final answer
   x = 766,487.96