Finding the Fourth Proportional to 8,569.50, 12,856.41 and 2,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,569.50 : 12,856.41 = 2,413.50 : x
2. Step 2: Convert to fraction form
   8,569.50/12,856.41 = 2,413.50/x
3. Step 3: Cross multiply
   8,569.50x = 12,856.41 × 2,413.50
4. Step 4: Simplify right side
   8,569.50x = 31,028,945.54
5. Step 5: Solve for x
   x = 31,028,945.54/8,569.50
6. Step 6: Final answer
   x = 3,620.86