Finding the Fourth Proportional to 3,413.59, 5,116.47 and 1,659.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.59 : 5,116.47 = 1,659.49 : x
2. Step 2: Convert to fraction form
   3,413.59/5,116.47 = 1,659.49/x
3. Step 3: Cross multiply
   3,413.59x = 5,116.47 × 1,659.49
4. Step 4: Simplify right side
   3,413.59x = 8,490,730.80
5. Step 5: Solve for x
   x = 8,490,730.80/3,413.59
6. Step 6: Final answer
   x = 2,487.33