Finding the Fourth Proportional to 87,180.71, 130,472.46 and 60,556.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,180.71 : 130,472.46 = 60,556.72 : x
2. Step 2: Convert to fraction form
   87,180.71/130,472.46 = 60,556.72/x
3. Step 3: Cross multiply
   87,180.71x = 130,472.46 × 60,556.72
4. Step 4: Simplify right side
   87,180.71x = 7,900,983,925.15
5. Step 5: Solve for x
   x = 7,900,983,925.15/87,180.71
6. Step 6: Final answer
   x = 90,627.66