Finding the Fourth Proportional to 9,004.50, 12,426.38 and 5,229.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,004.50 : 12,426.38 = 5,229.76 : x
2. Step 2: Convert to fraction form
   9,004.50/12,426.38 = 5,229.76/x
3. Step 3: Cross multiply
   9,004.50x = 12,426.38 × 5,229.76
4. Step 4: Simplify right side
   9,004.50x = 64,987,003.06
5. Step 5: Solve for x
   x = 64,987,003.06/9,004.50
6. Step 6: Final answer
   x = 7,217.17