Finding the Fourth Proportional to 10,747.78, 14,836.97 and 7,168.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,747.78 : 14,836.97 = 7,168.73 : x
2. Step 2: Convert to fraction form
   10,747.78/14,836.97 = 7,168.73/x
3. Step 3: Cross multiply
   10,747.78x = 14,836.97 × 7,168.73
4. Step 4: Simplify right side
   10,747.78x = 106,362,175.69
5. Step 5: Solve for x
   x = 106,362,175.69/10,747.78
6. Step 6: Final answer
   x = 9,896.20