Finding the Fourth Proportional to 22,997,127.60, 31,736,414.24 and 12,543,143.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,997,127.60 : 31,736,414.24 = 12,543,143.94 : x
2. Step 2: Convert to fraction form
   22,997,127.60/31,736,414.24 = 12,543,143.94/x
3. Step 3: Cross multiply
   22,997,127.60x = 31,736,414.24 × 12,543,143.94
4. Step 4: Simplify right side
   22,997,127.60x = 398,074,411,951,785.69
5. Step 5: Solve for x
   x = 398,074,411,951,785.69/22,997,127.60
6. Step 6: Final answer
   x = 17,309,744.89