Finding the Fourth Proportional to 12,067.38, 18,103.70 and 5,047.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,067.38 : 18,103.70 = 5,047.72 : x
2. Step 2: Convert to fraction form
   12,067.38/18,103.70 = 5,047.72/x
3. Step 3: Cross multiply
   12,067.38x = 18,103.70 × 5,047.72
4. Step 4: Simplify right side
   12,067.38x = 91,382,375.92
5. Step 5: Solve for x
   x = 91,382,375.92/12,067.38
6. Step 6: Final answer
   x = 7,572.68