Finding the Fourth Proportional to 87,659.58, 131,522.18 and 45,513.36

Step by Step Solution

1. Step 1: Write the proportion equation
   87,659.58 : 131,522.18 = 45,513.36 : x
2. Step 2: Convert to fraction form
   87,659.58/131,522.18 = 45,513.36/x
3. Step 3: Cross multiply
   87,659.58x = 131,522.18 × 45,513.36
4. Step 4: Simplify right side
   87,659.58x = 5,986,016,098.76
5. Step 5: Solve for x
   x = 5,986,016,098.76/87,659.58
6. Step 6: Final answer
   x = 68,287.07