Finding the Fourth Proportional to 16,062.69, 22,167.54 and 8,989.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,062.69 : 22,167.54 = 8,989.57 : x
2. Step 2: Convert to fraction form
   16,062.69/22,167.54 = 8,989.57/x
3. Step 3: Cross multiply
   16,062.69x = 22,167.54 × 8,989.57
4. Step 4: Simplify right side
   16,062.69x = 199,276,652.56
5. Step 5: Solve for x
   x = 199,276,652.56/16,062.69
6. Step 6: Final answer
   x = 12,406.18