Finding the Fourth Proportional to 102,753.30, 141,729.54 and 89,301.62

Step by Step Solution

1. Step 1: Write the proportion equation
   102,753.30 : 141,729.54 = 89,301.62 : x
2. Step 2: Convert to fraction form
   102,753.30/141,729.54 = 89,301.62/x
3. Step 3: Cross multiply
   102,753.30x = 141,729.54 × 89,301.62
4. Step 4: Simplify right side
   102,753.30x = 12,656,677,523.85
5. Step 5: Solve for x
   x = 12,656,677,523.85/102,753.30
6. Step 6: Final answer
   x = 123,175.39