Finding the Fourth Proportional to 16,307.88, 22,504.89 and 8,855.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,307.88 : 22,504.89 = 8,855.88 : x
2. Step 2: Convert to fraction form
   16,307.88/22,504.89 = 8,855.88/x
3. Step 3: Cross multiply
   16,307.88x = 22,504.89 × 8,855.88
4. Step 4: Simplify right side
   16,307.88x = 199,300,605.25
5. Step 5: Solve for x
   x = 199,300,605.25/16,307.88
6. Step 6: Final answer
   x = 12,221.12