Finding the Fourth Proportional to 1,139,351.24, 1,572,498.04 and 656,196.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,351.24 : 1,572,498.04 = 656,196.11 : x
2. Step 2: Convert to fraction form
   1,139,351.24/1,572,498.04 = 656,196.11/x
3. Step 3: Cross multiply
   1,139,351.24x = 1,572,498.04 × 656,196.11
4. Step 4: Simplify right side
   1,139,351.24x = 1,031,867,096,830.62
5. Step 5: Solve for x
   x = 1,031,867,096,830.62/1,139,351.24
6. Step 6: Final answer
   x = 905,661.98