Finding the Fourth Proportional to 22,711.33, 31,339.02 and 13,151.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,711.33 : 31,339.02 = 13,151.41 : x
2. Step 2: Convert to fraction form
   22,711.33/31,339.02 = 13,151.41/x
3. Step 3: Cross multiply
   22,711.33x = 31,339.02 × 13,151.41
4. Step 4: Simplify right side
   22,711.33x = 412,152,222.67
5. Step 5: Solve for x
   x = 412,152,222.67/22,711.33
6. Step 6: Final answer
   x = 18,147.43