Finding the Fourth Proportional to 2,413.18, 3,620.31 and 953.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.18 : 3,620.31 = 953.83 : x
2. Step 2: Convert to fraction form
   2,413.18/3,620.31 = 953.83/x
3. Step 3: Cross multiply
   2,413.18x = 3,620.31 × 953.83
4. Step 4: Simplify right side
   2,413.18x = 3,453,160.29
5. Step 5: Solve for x
   x = 3,453,160.29/2,413.18
6. Step 6: Final answer
   x = 1,430.96