Finding the Fourth Proportional to 9,073.36, 12,519.72 and 5,710.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,073.36 : 12,519.72 = 5,710.30 : x
2. Step 2: Convert to fraction form
   9,073.36/12,519.72 = 5,710.30/x
3. Step 3: Cross multiply
   9,073.36x = 12,519.72 × 5,710.30
4. Step 4: Simplify right side
   9,073.36x = 71,491,357.12
5. Step 5: Solve for x
   x = 71,491,357.12/9,073.36
6. Step 6: Final answer
   x = 7,879.26