Finding the Fourth Proportional to 5,413.50, 7,474.28 and 3,321.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,413.50 : 7,474.28 = 3,321.27 : x
2. Step 2: Convert to fraction form
   5,413.50/7,474.28 = 3,321.27/x
3. Step 3: Cross multiply
   5,413.50x = 7,474.28 × 3,321.27
4. Step 4: Simplify right side
   5,413.50x = 24,824,085.33
5. Step 5: Solve for x
   x = 24,824,085.33/5,413.50
6. Step 6: Final answer
   x = 4,585.59