Finding the Fourth Proportional to 2,413.92, 3,620.69 and 953.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.92 : 3,620.69 = 953.09 : x
2. Step 2: Convert to fraction form
   2,413.92/3,620.69 = 953.09/x
3. Step 3: Cross multiply
   2,413.92x = 3,620.69 × 953.09
4. Step 4: Simplify right side
   2,413.92x = 3,450,820.56
5. Step 5: Solve for x
   x = 3,450,820.56/2,413.92
6. Step 6: Final answer
   x = 1,429.55