Finding the Fourth Proportional to 81,331.34, 112,244.27 and 45,520.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,331.34 : 112,244.27 = 45,520.83 : x
2. Step 2: Convert to fraction form
   81,331.34/112,244.27 = 45,520.83/x
3. Step 3: Cross multiply
   81,331.34x = 112,244.27 × 45,520.83
4. Step 4: Simplify right side
   81,331.34x = 5,109,452,105.54
5. Step 5: Solve for x
   x = 5,109,452,105.54/81,331.34
6. Step 6: Final answer
   x = 62,822.68