Finding the Fourth Proportional to 81,380.53, 112,306.61 and 45,571.15

Step by Step Solution

1. Step 1: Write the proportion equation
   81,380.53 : 112,306.61 = 45,571.15 : x
2. Step 2: Convert to fraction form
   81,380.53/112,306.61 = 45,571.15/x
3. Step 3: Cross multiply
   81,380.53x = 112,306.61 × 45,571.15
4. Step 4: Simplify right side
   81,380.53x = 5,117,940,580.91
5. Step 5: Solve for x
   x = 5,117,940,580.91/81,380.53
6. Step 6: Final answer
   x = 62,889.01