Finding the Fourth Proportional to 81,561.62, 112,560.18 and 45,753.86

Step by Step Solution

1. Step 1: Write the proportion equation
   81,561.62 : 112,560.18 = 45,753.86 : x
2. Step 2: Convert to fraction form
   81,561.62/112,560.18 = 45,753.86/x
3. Step 3: Cross multiply
   81,561.62x = 112,560.18 × 45,753.86
4. Step 4: Simplify right side
   81,561.62x = 5,150,062,717.29
5. Step 5: Solve for x
   x = 5,150,062,717.29/81,561.62
6. Step 6: Final answer
   x = 63,143.21