Finding the Fourth Proportional to 12,301.12, 18,451.76 and 3,067.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.12 : 18,451.76 = 3,067.20 : x
2. Step 2: Convert to fraction form
   12,301.12/18,451.76 = 3,067.20/x
3. Step 3: Cross multiply
   12,301.12x = 18,451.76 × 3,067.20
4. Step 4: Simplify right side
   12,301.12x = 56,595,238.27
5. Step 5: Solve for x
   x = 56,595,238.27/12,301.12
6. Step 6: Final answer
   x = 4,600.82