Finding the Fourth Proportional to 9,229.69, 12,735.29 and 5,453.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,229.69 : 12,735.29 = 5,453.47 : x
2. Step 2: Convert to fraction form
   9,229.69/12,735.29 = 5,453.47/x
3. Step 3: Cross multiply
   9,229.69x = 12,735.29 × 5,453.47
4. Step 4: Simplify right side
   9,229.69x = 69,451,462.85
5. Step 5: Solve for x
   x = 69,451,462.85/9,229.69
6. Step 6: Final answer
   x = 7,524.79