Finding the Fourth Proportional to 8,413.34, 12,617.71 and 3,481.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413.34 : 12,617.71 = 3,481.79 : x
2. Step 2: Convert to fraction form
   8,413.34/12,617.71 = 3,481.79/x
3. Step 3: Cross multiply
   8,413.34x = 12,617.71 × 3,481.79
4. Step 4: Simplify right side
   8,413.34x = 43,932,144.71
5. Step 5: Solve for x
   x = 43,932,144.71/8,413.34
6. Step 6: Final answer
   x = 5,221.73