Finding the Fourth Proportional to 2,413.21, 3,620.28 and 952.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.21 : 3,620.28 = 952.38 : x
2. Step 2: Convert to fraction form
   2,413.21/3,620.28 = 952.38/x
3. Step 3: Cross multiply
   2,413.21x = 3,620.28 × 952.38
4. Step 4: Simplify right side
   2,413.21x = 3,447,882.27
5. Step 5: Solve for x
   x = 3,447,882.27/2,413.21
6. Step 6: Final answer
   x = 1,428.75