Finding the Fourth Proportional to 16,062.91, 22,166.61 and 8,989.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,062.91 : 22,166.61 = 8,989.33 : x
2. Step 2: Convert to fraction form
   16,062.91/22,166.61 = 8,989.33/x
3. Step 3: Cross multiply
   16,062.91x = 22,166.61 × 8,989.33
4. Step 4: Simplify right side
   16,062.91x = 199,262,975.27
5. Step 5: Solve for x
   x = 199,262,975.27/16,062.91
6. Step 6: Final answer
   x = 12,405.16