Finding the Fourth Proportional to 5,757.72, 7,945.72 and 3,369.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,757.72 : 7,945.72 = 3,369.18 : x
2. Step 2: Convert to fraction form
   5,757.72/7,945.72 = 3,369.18/x
3. Step 3: Cross multiply
   5,757.72x = 7,945.72 × 3,369.18
4. Step 4: Simplify right side
   5,757.72x = 26,770,560.91
5. Step 5: Solve for x
   x = 26,770,560.91/5,757.72
6. Step 6: Final answer
   x = 4,649.51