Finding the Fourth Proportional to 139,433.16, 192,434.10 and 82,844.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,433.16 : 192,434.10 = 82,844.52 : x
2. Step 2: Convert to fraction form
   139,433.16/192,434.10 = 82,844.52/x
3. Step 3: Cross multiply
   139,433.16x = 192,434.10 × 82,844.52
4. Step 4: Simplify right side
   139,433.16x = 15,942,110,646.13
5. Step 5: Solve for x
   x = 15,942,110,646.13/139,433.16
6. Step 6: Final answer
   x = 114,335.15