Finding the Fourth Proportional to 81,350.50, 112,258.20 and 45,049.34

Step by Step Solution

1. Step 1: Write the proportion equation
   81,350.50 : 112,258.20 = 45,049.34 : x
2. Step 2: Convert to fraction form
   81,350.50/112,258.20 = 45,049.34/x
3. Step 3: Cross multiply
   81,350.50x = 112,258.20 × 45,049.34
4. Step 4: Simplify right side
   81,350.50x = 5,057,157,819.59
5. Step 5: Solve for x
   x = 5,057,157,819.59/81,350.50
6. Step 6: Final answer
   x = 62,165.05