Finding the Fourth Proportional to 87,126.72, 130,689.92 and 60,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,126.72 : 130,689.92 = 60,882.72 : x
2. Step 2: Convert to fraction form
   87,126.72/130,689.92 = 60,882.72/x
3. Step 3: Cross multiply
   87,126.72x = 130,689.92 × 60,882.72
4. Step 4: Simplify right side
   87,126.72x = 7,956,757,806.18
5. Step 5: Solve for x
   x = 7,956,757,806.18/87,126.72
6. Step 6: Final answer
   x = 91,323.97