Finding the Fourth Proportional to 8,067.37, 12,103.49 and 2,521.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,067.37 : 12,103.49 = 2,521.30 : x
2. Step 2: Convert to fraction form
   8,067.37/12,103.49 = 2,521.30/x
3. Step 3: Cross multiply
   8,067.37x = 12,103.49 × 2,521.30
4. Step 4: Simplify right side
   8,067.37x = 30,516,529.34
5. Step 5: Solve for x
   x = 30,516,529.34/8,067.37
6. Step 6: Final answer
   x = 3,782.71