Finding the Fourth Proportional to 259,882.73, 389,879.18 and 82,366.37

Step by Step Solution

1. Step 1: Write the proportion equation
   259,882.73 : 389,879.18 = 82,366.37 : x
2. Step 2: Convert to fraction form
   259,882.73/389,879.18 = 82,366.37/x
3. Step 3: Cross multiply
   259,882.73x = 389,879.18 × 82,366.37
4. Step 4: Simplify right side
   259,882.73x = 32,112,932,383.34
5. Step 5: Solve for x
   x = 32,112,932,383.34/259,882.73
6. Step 6: Final answer
   x = 123,567.01