Finding the Fourth Proportional to 2,480.07, 3,413.91 and 2,143.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.07 : 3,413.91 = 2,143.82 : x
2. Step 2: Convert to fraction form
   2,480.07/3,413.91 = 2,143.82/x
3. Step 3: Cross multiply
   2,480.07x = 3,413.91 × 2,143.82
4. Step 4: Simplify right side
   2,480.07x = 7,318,808.54
5. Step 5: Solve for x
   x = 7,318,808.54/2,480.07
6. Step 6: Final answer
   x = 2,951.05