Finding the Fourth Proportional to 9,223.86, 12,728.86 and 5,244.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.86 : 12,728.86 = 5,244.97 : x
2. Step 2: Convert to fraction form
   9,223.86/12,728.86 = 5,244.97/x
3. Step 3: Cross multiply
   9,223.86x = 12,728.86 × 5,244.97
4. Step 4: Simplify right side
   9,223.86x = 66,762,488.83
5. Step 5: Solve for x
   x = 66,762,488.83/9,223.86
6. Step 6: Final answer
   x = 7,238.02