Finding the Fourth Proportional to 109,818.50, 151,549.56 and 59,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,818.50 : 151,549.56 = 59,517.50 : x
2. Step 2: Convert to fraction form
   109,818.50/151,549.56 = 59,517.50/x
3. Step 3: Cross multiply
   109,818.50x = 151,549.56 × 59,517.50
4. Step 4: Simplify right side
   109,818.50x = 9,019,850,937.30
5. Step 5: Solve for x
   x = 9,019,850,937.30/109,818.50
6. Step 6: Final answer
   x = 82,134.17