Finding the Fourth Proportional to 87,087.25, 130,538.39 and 55,397.62

Step by Step Solution

1. Step 1: Write the proportion equation
   87,087.25 : 130,538.39 = 55,397.62 : x
2. Step 2: Convert to fraction form
   87,087.25/130,538.39 = 55,397.62/x
3. Step 3: Cross multiply
   87,087.25x = 130,538.39 × 55,397.62
4. Step 4: Simplify right side
   87,087.25x = 7,231,516,010.82
5. Step 5: Solve for x
   x = 7,231,516,010.82/87,087.25
6. Step 6: Final answer
   x = 83,037.60