Finding the Fourth Proportional to 259,853.00, 389,793.31 and 82,373.90

Step by Step Solution

1. Step 1: Write the proportion equation
   259,853.00 : 389,793.31 = 82,373.90 : x
2. Step 2: Convert to fraction form
   259,853.00/389,793.31 = 82,373.90/x
3. Step 3: Cross multiply
   259,853.00x = 389,793.31 × 82,373.90
4. Step 4: Simplify right side
   259,853.00x = 32,108,792,983.71
5. Step 5: Solve for x
   x = 32,108,792,983.71/259,853.00
6. Step 6: Final answer
   x = 123,565.22