Finding the Fourth Proportional to 9,233.27, 12,738.92 and 5,456.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,233.27 : 12,738.92 = 5,456.55 : x
2. Step 2: Convert to fraction form
   9,233.27/12,738.92 = 5,456.55/x
3. Step 3: Cross multiply
   9,233.27x = 12,738.92 × 5,456.55
4. Step 4: Simplify right side
   9,233.27x = 69,510,526.64
5. Step 5: Solve for x
   x = 69,510,526.64/9,233.27
6. Step 6: Final answer
   x = 7,528.27