Finding the Fourth Proportional to 87,146.18, 130,666.56 and 39,105.98

Step by Step Solution

1. Step 1: Write the proportion equation
   87,146.18 : 130,666.56 = 39,105.98 : x
2. Step 2: Convert to fraction form
   87,146.18/130,666.56 = 39,105.98/x
3. Step 3: Cross multiply
   87,146.18x = 130,666.56 × 39,105.98
4. Step 4: Simplify right side
   87,146.18x = 5,109,843,882.03
5. Step 5: Solve for x
   x = 5,109,843,882.03/87,146.18
6. Step 6: Final answer
   x = 58,635.32