Finding the Fourth Proportional to 16,055.80, 22,158.16 and 8,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,055.80 : 22,158.16 = 8,984.50 : x
2. Step 2: Convert to fraction form
   16,055.80/22,158.16 = 8,984.50/x
3. Step 3: Cross multiply
   16,055.80x = 22,158.16 × 8,984.50
4. Step 4: Simplify right side
   16,055.80x = 199,079,988.52
5. Step 5: Solve for x
   x = 199,079,988.52/16,055.80
6. Step 6: Final answer
   x = 12,399.26