Finding the Fourth Proportional to 8,067.30, 12,103.25 and 2,520.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,067.30 : 12,103.25 = 2,520.72 : x
2. Step 2: Convert to fraction form
   8,067.30/12,103.25 = 2,520.72/x
3. Step 3: Cross multiply
   8,067.30x = 12,103.25 × 2,520.72
4. Step 4: Simplify right side
   8,067.30x = 30,508,891.74
5. Step 5: Solve for x
   x = 30,508,891.74/8,067.30
6. Step 6: Final answer
   x = 3,781.80