Finding the Fourth Proportional to 9,327.56, 12,874.74 and 7,452.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327.56 : 12,874.74 = 7,452.20 : x
2. Step 2: Convert to fraction form
   9,327.56/12,874.74 = 7,452.20/x
3. Step 3: Cross multiply
   9,327.56x = 12,874.74 × 7,452.20
4. Step 4: Simplify right side
   9,327.56x = 95,945,073.05
5. Step 5: Solve for x
   x = 95,945,073.05/9,327.56
6. Step 6: Final answer
   x = 10,286.20