Finding the Fourth Proportional to 3,144.12, 4,326.06 and 3,067.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.12 : 4,326.06 = 3,067.32 : x
2. Step 2: Convert to fraction form
   3,144.12/4,326.06 = 3,067.32/x
3. Step 3: Cross multiply
   3,144.12x = 4,326.06 × 3,067.32
4. Step 4: Simplify right side
   3,144.12x = 13,269,410.36
5. Step 5: Solve for x
   x = 13,269,410.36/3,144.12
6. Step 6: Final answer
   x = 4,220.39