Finding the Fourth Proportional to 22,940,113.20, 31,656,151.56 and 12,624,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,940,113.20 : 31,656,151.56 = 12,624,864.72 : x
2. Step 2: Convert to fraction form
   22,940,113.20/31,656,151.56 = 12,624,864.72/x
3. Step 3: Cross multiply
   22,940,113.20x = 31,656,151.56 × 12,624,864.72
4. Step 4: Simplify right side
   22,940,113.20x = 399,654,631,000,816.94
5. Step 5: Solve for x
   x = 399,654,631,000,816.94/22,940,113.20
6. Step 6: Final answer
   x = 17,421,650.34