Finding the Fourth Proportional to 22,737.30, 31,373.30 and 12,665.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,737.30 : 31,373.30 = 12,665.49 : x
2. Step 2: Convert to fraction form
   22,737.30/31,373.30 = 12,665.49/x
3. Step 3: Cross multiply
   22,737.30x = 31,373.30 × 12,665.49
4. Step 4: Simplify right side
   22,737.30x = 397,358,092.21
5. Step 5: Solve for x
   x = 397,358,092.21/22,737.30
6. Step 6: Final answer
   x = 17,476.05