Finding the Fourth Proportional to 2,413.33, 3,620.03 and 681.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.33 : 3,620.03 = 681.95 : x
2. Step 2: Convert to fraction form
   2,413.33/3,620.03 = 681.95/x
3. Step 3: Cross multiply
   2,413.33x = 3,620.03 × 681.95
4. Step 4: Simplify right side
   2,413.33x = 2,468,685.10
5. Step 5: Solve for x
   x = 2,468,685.10/2,413.33
6. Step 6: Final answer
   x = 1,022.94