Finding the Fourth Proportional to 16,223.50, 22,391.69 and 9,150.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,223.50 : 22,391.69 = 9,150.06 : x
2. Step 2: Convert to fraction form
   16,223.50/22,391.69 = 9,150.06/x
3. Step 3: Cross multiply
   16,223.50x = 22,391.69 × 9,150.06
4. Step 4: Simplify right side
   16,223.50x = 204,885,307.00
5. Step 5: Solve for x
   x = 204,885,307.00/16,223.50
6. Step 6: Final answer
   x = 12,628.92