Finding the Fourth Proportional to 12,067.98, 16,653.90 and 7,288.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,067.98 : 16,653.90 = 7,288.14 : x
2. Step 2: Convert to fraction form
   12,067.98/16,653.90 = 7,288.14/x
3. Step 3: Cross multiply
   12,067.98x = 16,653.90 × 7,288.14
4. Step 4: Simplify right side
   12,067.98x = 121,375,954.75
5. Step 5: Solve for x
   x = 121,375,954.75/12,067.98
6. Step 6: Final answer
   x = 10,057.69