Finding the Fourth Proportional to 139,333.92, 192,255.84 and 82,759.20

Step by Step Solution

1. Step 1: Write the proportion equation
   139,333.92 : 192,255.84 = 82,759.20 : x
2. Step 2: Convert to fraction form
   139,333.92/192,255.84 = 82,759.20/x
3. Step 3: Cross multiply
   139,333.92x = 192,255.84 × 82,759.20
4. Step 4: Simplify right side
   139,333.92x = 15,910,939,513.73
5. Step 5: Solve for x
   x = 15,910,939,513.73/139,333.92
6. Step 6: Final answer
   x = 114,192.86