Finding the Fourth Proportional to 9,023.72, 12,452.78 and 5,249.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,023.72 : 12,452.78 = 5,249.12 : x
2. Step 2: Convert to fraction form
   9,023.72/12,452.78 = 5,249.12/x
3. Step 3: Cross multiply
   9,023.72x = 12,452.78 × 5,249.12
4. Step 4: Simplify right side
   9,023.72x = 65,366,136.55
5. Step 5: Solve for x
   x = 65,366,136.55/9,023.72
6. Step 6: Final answer
   x = 7,243.81