Finding the Fourth Proportional to 8,909.82, 12,294.72 and 5,324.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,909.82 : 12,294.72 = 5,324.07 : x
2. Step 2: Convert to fraction form
   8,909.82/12,294.72 = 5,324.07/x
3. Step 3: Cross multiply
   8,909.82x = 12,294.72 × 5,324.07
4. Step 4: Simplify right side
   8,909.82x = 65,457,861.82
5. Step 5: Solve for x
   x = 65,457,861.82/8,909.82
6. Step 6: Final answer
   x = 7,346.71