Finding the Fourth Proportional to 87,601.37, 131,443.56 and 45,459.02

Step by Step Solution

1. Step 1: Write the proportion equation
   87,601.37 : 131,443.56 = 45,459.02 : x
2. Step 2: Convert to fraction form
   87,601.37/131,443.56 = 45,459.02/x
3. Step 3: Cross multiply
   87,601.37x = 131,443.56 × 45,459.02
4. Step 4: Simplify right side
   87,601.37x = 5,975,295,751.52
5. Step 5: Solve for x
   x = 5,975,295,751.52/87,601.37
6. Step 6: Final answer
   x = 68,210.08