Finding the Fourth Proportional to 16,089.27, 22,203.32 and 8,919.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,089.27 : 22,203.32 = 8,919.33 : x
2. Step 2: Convert to fraction form
   16,089.27/22,203.32 = 8,919.33/x
3. Step 3: Cross multiply
   16,089.27x = 22,203.32 × 8,919.33
4. Step 4: Simplify right side
   16,089.27x = 198,038,738.18
5. Step 5: Solve for x
   x = 198,038,738.18/16,089.27
6. Step 6: Final answer
   x = 12,308.75