Finding the Fourth Proportional to 16,242.22, 22,413.81 and 9,169.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,242.22 : 22,413.81 = 9,169.30 : x
2. Step 2: Convert to fraction form
   16,242.22/22,413.81 = 9,169.30/x
3. Step 3: Cross multiply
   16,242.22x = 22,413.81 × 9,169.30
4. Step 4: Simplify right side
   16,242.22x = 205,518,948.03
5. Step 5: Solve for x
   x = 205,518,948.03/16,242.22
6. Step 6: Final answer
   x = 12,653.38