Finding the Fourth Proportional to 78,744.73, 118,166.31 and 31,997.61

Step by Step Solution

1. Step 1: Write the proportion equation
   78,744.73 : 118,166.31 = 31,997.61 : x
2. Step 2: Convert to fraction form
   78,744.73/118,166.31 = 31,997.61/x
3. Step 3: Cross multiply
   78,744.73x = 118,166.31 × 31,997.61
4. Step 4: Simplify right side
   78,744.73x = 3,781,039,502.52
5. Step 5: Solve for x
   x = 3,781,039,502.52/78,744.73
6. Step 6: Final answer
   x = 48,016.41