Finding the Fourth Proportional to 22,572,154.43, 31,151,494.23 and 12,784,339.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,572,154.43 : 31,151,494.23 = 12,784,339.82 : x
2. Step 2: Convert to fraction form
   22,572,154.43/31,151,494.23 = 12,784,339.82/x
3. Step 3: Cross multiply
   22,572,154.43x = 31,151,494.23 × 12,784,339.82
4. Step 4: Simplify right side
   22,572,154.43x = 398,251,287,981,331.75
5. Step 5: Solve for x
   x = 398,251,287,981,331.75/22,572,154.43
6. Step 6: Final answer
   x = 17,643,477.02