Finding the Fourth Proportional to 109,659.72, 151,321.32 and 64,332.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,659.72 : 151,321.32 = 64,332.96 : x
2. Step 2: Convert to fraction form
   109,659.72/151,321.32 = 64,332.96/x
3. Step 3: Cross multiply
   109,659.72x = 151,321.32 × 64,332.96
4. Step 4: Simplify right side
   109,659.72x = 9,734,948,426.71
5. Step 5: Solve for x
   x = 9,734,948,426.71/109,659.72
6. Step 6: Final answer
   x = 88,774.15