Finding the Fourth Proportional to 139,393.48, 192,352.98 and 82,836.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,393.48 : 192,352.98 = 82,836.04 : x
2. Step 2: Convert to fraction form
   139,393.48/192,352.98 = 82,836.04/x
3. Step 3: Cross multiply
   139,393.48x = 192,352.98 × 82,836.04
4. Step 4: Simplify right side
   139,393.48x = 15,933,759,145.40
5. Step 5: Solve for x
   x = 15,933,759,145.40/139,393.48
6. Step 6: Final answer
   x = 114,307.78