Finding the Fourth Proportional to 114,534.72, 158,057.76 and 64,233.28

Step by Step Solution

1. Step 1: Write the proportion equation
   114,534.72 : 158,057.76 = 64,233.28 : x
2. Step 2: Convert to fraction form
   114,534.72/158,057.76 = 64,233.28/x
3. Step 3: Cross multiply
   114,534.72x = 158,057.76 × 64,233.28
4. Step 4: Simplify right side
   114,534.72x = 10,152,568,354.25
5. Step 5: Solve for x
   x = 10,152,568,354.25/114,534.72
6. Step 6: Final answer
   x = 88,641.84