Finding the Fourth Proportional to 5,608.31, 8,413.78 and 3,144.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,608.31 : 8,413.78 = 3,144.83 : x
2. Step 2: Convert to fraction form
   5,608.31/8,413.78 = 3,144.83/x
3. Step 3: Cross multiply
   5,608.31x = 8,413.78 × 3,144.83
4. Step 4: Simplify right side
   5,608.31x = 26,459,857.83
5. Step 5: Solve for x
   x = 26,459,857.83/5,608.31
6. Step 6: Final answer
   x = 4,717.98