Finding the Fourth Proportional to 16,066.96, 22,172.40 and 8,995.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,066.96 : 22,172.40 = 8,995.04 : x
2. Step 2: Convert to fraction form
   16,066.96/22,172.40 = 8,995.04/x
3. Step 3: Cross multiply
   16,066.96x = 22,172.40 × 8,995.04
4. Step 4: Simplify right side
   16,066.96x = 199,441,624.90
5. Step 5: Solve for x
   x = 199,441,624.90/16,066.96
6. Step 6: Final answer
   x = 12,413.15