Finding the Fourth Proportional to 22,570,593.98, 31,156,951.20 and 15,238,355.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,570,593.98 : 31,156,951.20 = 15,238,355.72 : x
2. Step 2: Convert to fraction form
   22,570,593.98/31,156,951.20 = 15,238,355.72/x
3. Step 3: Cross multiply
   22,570,593.98x = 31,156,951.20 × 15,238,355.72
4. Step 4: Simplify right side
   22,570,593.98x = 474,780,705,536,280.88
5. Step 5: Solve for x
   x = 474,780,705,536,280.88/22,570,593.98
6. Step 6: Final answer
   x = 21,035,366.01