Finding the Fourth Proportional to 9,308.72, 12,844.68 and 5,329.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.72 : 12,844.68 = 5,329.19 : x
2. Step 2: Convert to fraction form
   9,308.72/12,844.68 = 5,329.19/x
3. Step 3: Cross multiply
   9,308.72x = 12,844.68 × 5,329.19
4. Step 4: Simplify right side
   9,308.72x = 68,451,752.34
5. Step 5: Solve for x
   x = 68,451,752.34/9,308.72
6. Step 6: Final answer
   x = 7,353.51