Finding the Fourth Proportional to 16,775.85, 23,150.96 and 9,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,775.85 : 23,150.96 = 9,222.50 : x
2. Step 2: Convert to fraction form
   16,775.85/23,150.96 = 9,222.50/x
3. Step 3: Cross multiply
   16,775.85x = 23,150.96 × 9,222.50
4. Step 4: Simplify right side
   16,775.85x = 213,509,566.73
5. Step 5: Solve for x
   x = 213,509,566.73/16,775.85
6. Step 6: Final answer
   x = 12,727.20