Finding the Fourth Proportional to 22,737.33, 31,377.02 and 12,665.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,737.33 : 31,377.02 = 12,665.72 : x
2. Step 2: Convert to fraction form
   22,737.33/31,377.02 = 12,665.72/x
3. Step 3: Cross multiply
   22,737.33x = 31,377.02 × 12,665.72
4. Step 4: Simplify right side
   22,737.33x = 397,412,329.54
5. Step 5: Solve for x
   x = 397,412,329.54/22,737.33
6. Step 6: Final answer
   x = 17,478.41