Finding the Fourth Proportional to 87,141.75, 130,659.89 and 39,101.55

Step by Step Solution

1. Step 1: Write the proportion equation
   87,141.75 : 130,659.89 = 39,101.55 : x
2. Step 2: Convert to fraction form
   87,141.75/130,659.89 = 39,101.55/x
3. Step 3: Cross multiply
   87,141.75x = 130,659.89 × 39,101.55
4. Step 4: Simplify right side
   87,141.75x = 5,109,004,026.32
5. Step 5: Solve for x
   x = 5,109,004,026.32/87,141.75
6. Step 6: Final answer
   x = 58,628.66