Finding the Fourth Proportional to 5,514.47, 7,609.25 and 3,391.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,514.47 : 7,609.25 = 3,391.10 : x
2. Step 2: Convert to fraction form
   5,514.47/7,609.25 = 3,391.10/x
3. Step 3: Cross multiply
   5,514.47x = 7,609.25 × 3,391.10
4. Step 4: Simplify right side
   5,514.47x = 25,803,710.72
5. Step 5: Solve for x
   x = 25,803,710.72/5,514.47
6. Step 6: Final answer
   x = 4,679.27