Finding the Fourth Proportional to 87,544.16, 131,357.25 and 43,146.71

Step by Step Solution

1. Step 1: Write the proportion equation
   87,544.16 : 131,357.25 = 43,146.71 : x
2. Step 2: Convert to fraction form
   87,544.16/131,357.25 = 43,146.71/x
3. Step 3: Cross multiply
   87,544.16x = 131,357.25 × 43,146.71
4. Step 4: Simplify right side
   87,544.16x = 5,667,633,172.15
5. Step 5: Solve for x
   x = 5,667,633,172.15/87,544.16
6. Step 6: Final answer
   x = 64,740.28