Finding the Fourth Proportional to 16,067.63, 22,196.42 and 12,833.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,067.63 : 22,196.42 = 12,833.20 : x
2. Step 2: Convert to fraction form
   16,067.63/22,196.42 = 12,833.20/x
3. Step 3: Cross multiply
   16,067.63x = 22,196.42 × 12,833.20
4. Step 4: Simplify right side
   16,067.63x = 284,850,986.16
5. Step 5: Solve for x
   x = 284,850,986.16/16,067.63
6. Step 6: Final answer
   x = 17,728.26