Finding the Fourth Proportional to 16,223.75, 22,388.77 and 9,150.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,223.75 : 22,388.77 = 9,150.15 : x
2. Step 2: Convert to fraction form
   16,223.75/22,388.77 = 9,150.15/x
3. Step 3: Cross multiply
   16,223.75x = 22,388.77 × 9,150.15
4. Step 4: Simplify right side
   16,223.75x = 204,860,603.82
5. Step 5: Solve for x
   x = 204,860,603.82/16,223.75
6. Step 6: Final answer
   x = 12,627.20