Finding the Fourth Proportional to 22,962,921.12, 31,688,683.92 and 12,649,404.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,962,921.12 : 31,688,683.92 = 12,649,404.96 : x
2. Step 2: Convert to fraction form
   22,962,921.12/31,688,683.92 = 12,649,404.96/x
3. Step 3: Cross multiply
   22,962,921.12x = 31,688,683.92 × 12,649,404.96
4. Step 4: Simplify right side
   22,962,921.12x = 400,842,995,553,520.31
5. Step 5: Solve for x
   x = 400,842,995,553,520.31/22,962,921.12
6. Step 6: Final answer
   x = 17,456,097.74