Finding the Fourth Proportional to 72,314.71, 108,285.15 and 49,894.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,314.71 : 108,285.15 = 49,894.52 : x
2. Step 2: Convert to fraction form
   72,314.71/108,285.15 = 49,894.52/x
3. Step 3: Cross multiply
   72,314.71x = 108,285.15 × 49,894.52
4. Step 4: Simplify right side
   72,314.71x = 5,402,835,040.95
5. Step 5: Solve for x
   x = 5,402,835,040.95/72,314.71
6. Step 6: Final answer
   x = 74,712.81