Finding the Fourth Proportional to 16,307.50, 22,504.35 and 8,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,307.50 : 22,504.35 = 8,855.50 : x
2. Step 2: Convert to fraction form
   16,307.50/22,504.35 = 8,855.50/x
3. Step 3: Cross multiply
   16,307.50x = 22,504.35 × 8,855.50
4. Step 4: Simplify right side
   16,307.50x = 199,287,271.43
5. Step 5: Solve for x
   x = 199,287,271.43/16,307.50
6. Step 6: Final answer
   x = 12,220.59