Finding the Fourth Proportional to 3,067.30, 4,284.50 and 3,067.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,067.30 : 4,284.50 = 3,067.30 : x
2. Step 2: Convert to fraction form
   3,067.30/4,284.50 = 3,067.30/x
3. Step 3: Cross multiply
   3,067.30x = 4,284.50 × 3,067.30
4. Step 4: Simplify right side
   3,067.30x = 13,141,846.85
5. Step 5: Solve for x
   x = 13,141,846.85/3,067.30
6. Step 6: Final answer
   x = 4,284.50