Finding the Fourth Proportional to 1,139,786.10, 1,572,767.82 and 656,508.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,786.10 : 1,572,767.82 = 656,508.42 : x
2. Step 2: Convert to fraction form
   1,139,786.10/1,572,767.82 = 656,508.42/x
3. Step 3: Cross multiply
   1,139,786.10x = 1,572,767.82 × 656,508.42
4. Step 4: Simplify right side
   1,139,786.10x = 1,032,535,316,535.04
5. Step 5: Solve for x
   x = 1,032,535,316,535.04/1,139,786.10
6. Step 6: Final answer
   x = 905,902.71