Finding the Fourth Proportional to 2,413.56, 3,330.76 and 1,574.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.56 : 3,330.76 = 1,574.80 : x
2. Step 2: Convert to fraction form
   2,413.56/3,330.76 = 1,574.80/x
3. Step 3: Cross multiply
   2,413.56x = 3,330.76 × 1,574.80
4. Step 4: Simplify right side
   2,413.56x = 5,245,280.85
5. Step 5: Solve for x
   x = 5,245,280.85/2,413.56
6. Step 6: Final answer
   x = 2,173.25