Finding the Fourth Proportional to 87,498.77, 131,089.59 and 40,153.46

Step by Step Solution

1. Step 1: Write the proportion equation
   87,498.77 : 131,089.59 = 40,153.46 : x
2. Step 2: Convert to fraction form
   87,498.77/131,089.59 = 40,153.46/x
3. Step 3: Cross multiply
   87,498.77x = 131,089.59 × 40,153.46
4. Step 4: Simplify right side
   87,498.77x = 5,263,699,953.03
5. Step 5: Solve for x
   x = 5,263,699,953.03/87,498.77
6. Step 6: Final answer
   x = 60,157.42