Finding the Fourth Proportional to 115,073.28, 158,790.96 and 64,082.16

Step by Step Solution

1. Step 1: Write the proportion equation
   115,073.28 : 158,790.96 = 64,082.16 : x
2. Step 2: Convert to fraction form
   115,073.28/158,790.96 = 64,082.16/x
3. Step 3: Cross multiply
   115,073.28x = 158,790.96 × 64,082.16
4. Step 4: Simplify right side
   115,073.28x = 10,175,667,705.27
5. Step 5: Solve for x
   x = 10,175,667,705.27/115,073.28
6. Step 6: Final answer
   x = 88,427.72