Finding the Fourth Proportional to 16,223.72, 22,388.76 and 9,150.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,223.72 : 22,388.76 = 9,150.17 : x
2. Step 2: Convert to fraction form
   16,223.72/22,388.76 = 9,150.17/x
3. Step 3: Cross multiply
   16,223.72x = 22,388.76 × 9,150.17
4. Step 4: Simplify right side
   16,223.72x = 204,860,848.15
5. Step 5: Solve for x
   x = 204,860,848.15/16,223.72
6. Step 6: Final answer
   x = 12,627.25