Finding the Fourth Proportional to 269,401.91, 404,088.21 and 82,413.41

Step by Step Solution

1. Step 1: Write the proportion equation
   269,401.91 : 404,088.21 = 82,413.41 : x
2. Step 2: Convert to fraction form
   269,401.91/404,088.21 = 82,413.41/x
3. Step 3: Cross multiply
   269,401.91x = 404,088.21 × 82,413.41
4. Step 4: Simplify right side
   269,401.91x = 33,302,285,306.46
5. Step 5: Solve for x
   x = 33,302,285,306.46/269,401.91
6. Step 6: Final answer
   x = 123,615.63