Finding the Fourth Proportional to 22,572,200.41, 31,151,557.68 and 12,784,385.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,572,200.41 : 31,151,557.68 = 12,784,385.81 : x
2. Step 2: Convert to fraction form
   22,572,200.41/31,151,557.68 = 12,784,385.81/x
3. Step 3: Cross multiply
   22,572,200.41x = 31,151,557.68 × 12,784,385.81
4. Step 4: Simplify right side
   22,572,200.41x = 398,253,531,963,588.56
5. Step 5: Solve for x
   x = 398,253,531,963,588.56/22,572,200.41
6. Step 6: Final answer
   x = 17,643,540.49