Finding the Fourth Proportional to 9,229.48, 12,737.89 and 5,249.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,229.48 : 12,737.89 = 5,249.82 : x
2. Step 2: Convert to fraction form
   9,229.48/12,737.89 = 5,249.82/x
3. Step 3: Cross multiply
   9,229.48x = 12,737.89 × 5,249.82
4. Step 4: Simplify right side
   9,229.48x = 66,871,629.68
5. Step 5: Solve for x
   x = 66,871,629.68/9,229.48
6. Step 6: Final answer
   x = 7,245.44