Finding the Fourth Proportional to 22,736.16, 31,375.96 and 13,177.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,736.16 : 31,375.96 = 13,177.89 : x
2. Step 2: Convert to fraction form
   22,736.16/31,375.96 = 13,177.89/x
3. Step 3: Cross multiply
   22,736.16x = 31,375.96 × 13,177.89
4. Step 4: Simplify right side
   22,736.16x = 413,468,916.58
5. Step 5: Solve for x
   x = 413,468,916.58/22,736.16
6. Step 6: Final answer
   x = 18,185.52