Finding the Fourth Proportional to 7,067.72, 10,581.42 and 5,609

Step by Step Solution

1. Step 1: Write the proportion equation
   7,067.72 : 10,581.42 = 5,609 : x
2. Step 2: Convert to fraction form
   7,067.72/10,581.42 = 5,609/x
3. Step 3: Cross multiply
   7,067.72x = 10,581.42 × 5,609
4. Step 4: Simplify right side
   7,067.72x = 59,351,184.78
5. Step 5: Solve for x
   x = 59,351,184.78/7,067.72
6. Step 6: Final answer
   x = 8,397.50