Finding the Fourth Proportional to 9,308.24, 12,849.76 and 5,328.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.24 : 12,849.76 = 5,328.56 : x
2. Step 2: Convert to fraction form
   9,308.24/12,849.76 = 5,328.56/x
3. Step 3: Cross multiply
   9,308.24x = 12,849.76 × 5,328.56
4. Step 4: Simplify right side
   9,308.24x = 68,470,717.15
5. Step 5: Solve for x
   x = 68,470,717.15/9,308.24
6. Step 6: Final answer
   x = 7,355.93