Finding the Fourth Proportional to 2,413.24, 3,621.78 and 2,070.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.24 : 3,621.78 = 2,070.61 : x
2. Step 2: Convert to fraction form
   2,413.24/3,621.78 = 2,070.61/x
3. Step 3: Cross multiply
   2,413.24x = 3,621.78 × 2,070.61
4. Step 4: Simplify right side
   2,413.24x = 7,499,284.83
5. Step 5: Solve for x
   x = 7,499,284.83/2,413.24
6. Step 6: Final answer
   x = 3,107.56