Finding the Fourth Proportional to 2,608.62, 3,599.91 and 1,413.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.62 : 3,599.91 = 1,413.61 : x
2. Step 2: Convert to fraction form
   2,608.62/3,599.91 = 1,413.61/x
3. Step 3: Cross multiply
   2,608.62x = 3,599.91 × 1,413.61
4. Step 4: Simplify right side
   2,608.62x = 5,088,873.27
5. Step 5: Solve for x
   x = 5,088,873.27/2,608.62
6. Step 6: Final answer
   x = 1,950.79