Finding the Fourth Proportional to 5,757.89, 7,939.01 and 4,079.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,757.89 : 7,939.01 = 4,079.57 : x
2. Step 2: Convert to fraction form
   5,757.89/7,939.01 = 4,079.57/x
3. Step 3: Cross multiply
   5,757.89x = 7,939.01 × 4,079.57
4. Step 4: Simplify right side
   5,757.89x = 32,387,747.03
5. Step 5: Solve for x
   x = 32,387,747.03/5,757.89
6. Step 6: Final answer
   x = 5,624.93