Finding the Fourth Proportional to 16,165.60, 22,308.42 and 8,995.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,165.60 : 22,308.42 = 8,995.60 : x
2. Step 2: Convert to fraction form
   16,165.60/22,308.42 = 8,995.60/x
3. Step 3: Cross multiply
   16,165.60x = 22,308.42 × 8,995.60
4. Step 4: Simplify right side
   16,165.60x = 200,677,622.95
5. Step 5: Solve for x
   x = 200,677,622.95/16,165.60
6. Step 6: Final answer
   x = 12,413.87