Finding the Fourth Proportional to 2,413.52, 3,330.62 and 1,309.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.52 : 3,330.62 = 1,309.52 : x
2. Step 2: Convert to fraction form
   2,413.52/3,330.62 = 1,309.52/x
3. Step 3: Cross multiply
   2,413.52x = 3,330.62 × 1,309.52
4. Step 4: Simplify right side
   2,413.52x = 4,361,513.50
5. Step 5: Solve for x
   x = 4,361,513.50/2,413.52
6. Step 6: Final answer
   x = 1,807.12