Finding the Fourth Proportional to 3,287.30, 4,919.16 and 3,067.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,287.30 : 4,919.16 = 3,067.35 : x
2. Step 2: Convert to fraction form
   3,287.30/4,919.16 = 3,067.35/x
3. Step 3: Cross multiply
   3,287.30x = 4,919.16 × 3,067.35
4. Step 4: Simplify right side
   3,287.30x = 15,088,785.43
5. Step 5: Solve for x
   x = 15,088,785.43/3,287.30
6. Step 6: Final answer
   x = 4,590.02