Finding the Fourth Proportional to 139,449.24, 192,443.58 and 82,091.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,449.24 : 192,443.58 = 82,091.52 : x
2. Step 2: Convert to fraction form
   139,449.24/192,443.58 = 82,091.52/x
3. Step 3: Cross multiply
   139,449.24x = 192,443.58 × 82,091.52
4. Step 4: Simplify right side
   139,449.24x = 15,797,985,996.44
5. Step 5: Solve for x
   x = 15,797,985,996.44/139,449.24
6. Step 6: Final answer
   x = 113,288.43