Finding the Fourth Proportional to 81,766.35, 112,838.58 and 49,500.54

Step by Step Solution

1. Step 1: Write the proportion equation
   81,766.35 : 112,838.58 = 49,500.54 : x
2. Step 2: Convert to fraction form
   81,766.35/112,838.58 = 49,500.54/x
3. Step 3: Cross multiply
   81,766.35x = 112,838.58 × 49,500.54
4. Step 4: Simplify right side
   81,766.35x = 5,585,570,642.83
5. Step 5: Solve for x
   x = 5,585,570,642.83/81,766.35
6. Step 6: Final answer
   x = 68,311.36