Finding the Fourth Proportional to 72,854.34, 109,276.49 and 44,778.73

Step by Step Solution

1. Step 1: Write the proportion equation
   72,854.34 : 109,276.49 = 44,778.73 : x
2. Step 2: Convert to fraction form
   72,854.34/109,276.49 = 44,778.73/x
3. Step 3: Cross multiply
   72,854.34x = 109,276.49 × 44,778.73
4. Step 4: Simplify right side
   72,854.34x = 4,893,262,055.92
5. Step 5: Solve for x
   x = 4,893,262,055.92/72,854.34
6. Step 6: Final answer
   x = 67,165.00