Finding the Fourth Proportional to 109,732.56, 151,436.12 and 64,412.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,732.56 : 151,436.12 = 64,412.52 : x
2. Step 2: Convert to fraction form
   109,732.56/151,436.12 = 64,412.52/x
3. Step 3: Cross multiply
   109,732.56x = 151,436.12 × 64,412.52
4. Step 4: Simplify right side
   109,732.56x = 9,754,382,108.22
5. Step 5: Solve for x
   x = 9,754,382,108.22/109,732.56
6. Step 6: Final answer
   x = 88,892.32