Finding the Fourth Proportional to 8,912.24, 12,304.48 and 5,726.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,912.24 : 12,304.48 = 5,726.96 : x
2. Step 2: Convert to fraction form
   8,912.24/12,304.48 = 5,726.96/x
3. Step 3: Cross multiply
   8,912.24x = 12,304.48 × 5,726.96
4. Step 4: Simplify right side
   8,912.24x = 70,467,264.78
5. Step 5: Solve for x
   x = 70,467,264.78/8,912.24
6. Step 6: Final answer
   x = 7,906.80