Finding the Fourth Proportional to 173,178.54, 259,538.17 and 88,935.30

Step by Step Solution

1. Step 1: Write the proportion equation
   173,178.54 : 259,538.17 = 88,935.30 : x
2. Step 2: Convert to fraction form
   173,178.54/259,538.17 = 88,935.30/x
3. Step 3: Cross multiply
   173,178.54x = 259,538.17 × 88,935.30
4. Step 4: Simplify right side
   173,178.54x = 23,082,105,010.40
5. Step 5: Solve for x
   x = 23,082,105,010.40/173,178.54
6. Step 6: Final answer
   x = 133,285.02