Finding the Fourth Proportional to 82,540.80, 113,906.79 and 48,550.77

Step by Step Solution

1. Step 1: Write the proportion equation
   82,540.80 : 113,906.79 = 48,550.77 : x
2. Step 2: Convert to fraction form
   82,540.80/113,906.79 = 48,550.77/x
3. Step 3: Cross multiply
   82,540.80x = 113,906.79 × 48,550.77
4. Step 4: Simplify right side
   82,540.80x = 5,530,262,362.73
5. Step 5: Solve for x
   x = 5,530,262,362.73/82,540.80
6. Step 6: Final answer
   x = 67,000.35