Finding the Fourth Proportional to 114,530.72, 158,052.24 and 64,229.28

Step by Step Solution

1. Step 1: Write the proportion equation
   114,530.72 : 158,052.24 = 64,229.28 : x
2. Step 2: Convert to fraction form
   114,530.72/158,052.24 = 64,229.28/x
3. Step 3: Cross multiply
   114,530.72x = 158,052.24 × 64,229.28
4. Step 4: Simplify right side
   114,530.72x = 10,151,581,577.59
5. Step 5: Solve for x
   x = 10,151,581,577.59/114,530.72
6. Step 6: Final answer
   x = 88,636.32