Finding the Fourth Proportional to 123,540.18, 170,422.83 and 82,705.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,540.18 : 170,422.83 = 82,705.92 : x
2. Step 2: Convert to fraction form
   123,540.18/170,422.83 = 82,705.92/x
3. Step 3: Cross multiply
   123,540.18x = 170,422.83 × 82,705.92
4. Step 4: Simplify right side
   123,540.18x = 14,094,976,944.15
5. Step 5: Solve for x
   x = 14,094,976,944.15/123,540.18
6. Step 6: Final answer
   x = 114,092.25