Finding the Fourth Proportional to 12,067.36, 18,089.89 and 8,371.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,067.36 : 18,089.89 = 8,371.33 : x
2. Step 2: Convert to fraction form
   12,067.36/18,089.89 = 8,371.33/x
3. Step 3: Cross multiply
   12,067.36x = 18,089.89 × 8,371.33
4. Step 4: Simplify right side
   12,067.36x = 151,436,438.85
5. Step 5: Solve for x
   x = 151,436,438.85/12,067.36
6. Step 6: Final answer
   x = 12,549.26