Finding the Fourth Proportional to 16,062.94, 22,166.89 and 8,989.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,062.94 : 22,166.89 = 8,989.55 : x
2. Step 2: Convert to fraction form
   16,062.94/22,166.89 = 8,989.55/x
3. Step 3: Cross multiply
   16,062.94x = 22,166.89 × 8,989.55
4. Step 4: Simplify right side
   16,062.94x = 199,270,366.00
5. Step 5: Solve for x
   x = 199,270,366.00/16,062.94
6. Step 6: Final answer
   x = 12,405.60