Finding the Fourth Proportional to 80,766.06, 121,142.15 and 49,167.92

Step by Step Solution

1. Step 1: Write the proportion equation
   80,766.06 : 121,142.15 = 49,167.92 : x
2. Step 2: Convert to fraction form
   80,766.06/121,142.15 = 49,167.92/x
3. Step 3: Cross multiply
   80,766.06x = 121,142.15 × 49,167.92
4. Step 4: Simplify right side
   80,766.06x = 5,956,307,539.83
5. Step 5: Solve for x
   x = 5,956,307,539.83/80,766.06
6. Step 6: Final answer
   x = 73,747.66