Finding the Fourth Proportional to 16,066.94, 22,172.16 and 8,993.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,066.94 : 22,172.16 = 8,993.36 : x
2. Step 2: Convert to fraction form
   16,066.94/22,172.16 = 8,993.36/x
3. Step 3: Cross multiply
   16,066.94x = 22,172.16 × 8,993.36
4. Step 4: Simplify right side
   16,066.94x = 199,402,216.86
5. Step 5: Solve for x
   x = 199,402,216.86/16,066.94
6. Step 6: Final answer
   x = 12,410.72