Finding the Fourth Proportional to 88,693.86, 133,072.27 and 55,375.30

Step by Step Solution

1. Step 1: Write the proportion equation
   88,693.86 : 133,072.27 = 55,375.30 : x
2. Step 2: Convert to fraction form
   88,693.86/133,072.27 = 55,375.30/x
3. Step 3: Cross multiply
   88,693.86x = 133,072.27 × 55,375.30
4. Step 4: Simplify right side
   88,693.86x = 7,368,916,872.93
5. Step 5: Solve for x
   x = 7,368,916,872.93/88,693.86
6. Step 6: Final answer
   x = 83,082.60