Finding the Fourth Proportional to 22,573,174.45, 31,149,938.26 and 12,783,688.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,573,174.45 : 31,149,938.26 = 12,783,688.72 : x
2. Step 2: Convert to fraction form
   22,573,174.45/31,149,938.26 = 12,783,688.72/x
3. Step 3: Cross multiply
   22,573,174.45x = 31,149,938.26 × 12,783,688.72
4. Step 4: Simplify right side
   22,573,174.45x = 398,211,114,337,123.69
5. Step 5: Solve for x
   x = 398,211,114,337,123.69/22,573,174.45
6. Step 6: Final answer
   x = 17,640,900.05