Finding the Fourth Proportional to 8,413.59, 12,622.24 and 2,490.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413.59 : 12,622.24 = 2,490.02 : x
2. Step 2: Convert to fraction form
   8,413.59/12,622.24 = 2,490.02/x
3. Step 3: Cross multiply
   8,413.59x = 12,622.24 × 2,490.02
4. Step 4: Simplify right side
   8,413.59x = 31,429,630.04
5. Step 5: Solve for x
   x = 31,429,630.04/8,413.59
6. Step 6: Final answer
   x = 3,735.58