Finding the Fourth Proportional to 22,542,280.42, 31,105,722.55 and 12,619,706.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,542,280.42 : 31,105,722.55 = 12,619,706.46 : x
2. Step 2: Convert to fraction form
   22,542,280.42/31,105,722.55 = 12,619,706.46/x
3. Step 3: Cross multiply
   22,542,280.42x = 31,105,722.55 × 12,619,706.46
4. Step 4: Simplify right side
   22,542,280.42x = 392,545,087,807,202.69
5. Step 5: Solve for x
   x = 392,545,087,807,202.69/22,542,280.42
6. Step 6: Final answer
   x = 17,413,725.70