Finding the Fourth Proportional to 1,139,795.10, 1,572,780.24 and 656,517.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,795.10 : 1,572,780.24 = 656,517.42 : x
2. Step 2: Convert to fraction form
   1,139,795.10/1,572,780.24 = 656,517.42/x
3. Step 3: Cross multiply
   1,139,795.10x = 1,572,780.24 × 656,517.42
4. Step 4: Simplify right side
   1,139,795.10x = 1,032,557,625,391.78
5. Step 5: Solve for x
   x = 1,032,557,625,391.78/1,139,795.10
6. Step 6: Final answer
   x = 905,915.13