Finding the Fourth Proportional to 6,678.72, 10,022.99 and 3,168.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,678.72 : 10,022.99 = 3,168.73 : x
2. Step 2: Convert to fraction form
   6,678.72/10,022.99 = 3,168.73/x
3. Step 3: Cross multiply
   6,678.72x = 10,022.99 × 3,168.73
4. Step 4: Simplify right side
   6,678.72x = 31,760,149.10
5. Step 5: Solve for x
   x = 31,760,149.10/6,678.72
6. Step 6: Final answer
   x = 4,755.43