Finding the Fourth Proportional to 139,348.88, 192,317.82 and 82,760.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,348.88 : 192,317.82 = 82,760.24 : x
2. Step 2: Convert to fraction form
   139,348.88/192,317.82 = 82,760.24/x
3. Step 3: Cross multiply
   139,348.88x = 192,317.82 × 82,760.24
4. Step 4: Simplify right side
   139,348.88x = 15,916,268,939.48
5. Step 5: Solve for x
   x = 15,916,268,939.48/139,348.88
6. Step 6: Final answer
   x = 114,218.85