Finding the Fourth Proportional to 5,611.72, 8,413.64 and 2,490.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,611.72 : 8,413.64 = 2,490.04 : x
2. Step 2: Convert to fraction form
   5,611.72/8,413.64 = 2,490.04/x
3. Step 3: Cross multiply
   5,611.72x = 8,413.64 × 2,490.04
4. Step 4: Simplify right side
   5,611.72x = 20,950,300.15
5. Step 5: Solve for x
   x = 20,950,300.15/5,611.72
6. Step 6: Final answer
   x = 3,733.31