Finding the Fourth Proportional to 16,229.42, 22,396.60 and 9,155.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,229.42 : 22,396.60 = 9,155.82 : x
2. Step 2: Convert to fraction form
   16,229.42/22,396.60 = 9,155.82/x
3. Step 3: Cross multiply
   16,229.42x = 22,396.60 × 9,155.82
4. Step 4: Simplify right side
   16,229.42x = 205,059,238.21
5. Step 5: Solve for x
   x = 205,059,238.21/16,229.42
6. Step 6: Final answer
   x = 12,635.03