Finding the Fourth Proportional to 115,033.28, 158,747.04 and 64,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,033.28 : 158,747.04 = 64,046.72 : x
2. Step 2: Convert to fraction form
   115,033.28/158,747.04 = 64,046.72/x
3. Step 3: Cross multiply
   115,033.28x = 158,747.04 × 64,046.72
4. Step 4: Simplify right side
   115,033.28x = 10,167,227,221.71
5. Step 5: Solve for x
   x = 10,167,227,221.71/115,033.28
6. Step 6: Final answer
   x = 88,385.09