Finding the Fourth Proportional to 5,759.67, 7,939.86 and 4,075.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,759.67 : 7,939.86 = 4,075.86 : x
2. Step 2: Convert to fraction form
   5,759.67/7,939.86 = 4,075.86/x
3. Step 3: Cross multiply
   5,759.67x = 7,939.86 × 4,075.86
4. Step 4: Simplify right side
   5,759.67x = 32,361,757.78
5. Step 5: Solve for x
   x = 32,361,757.78/5,759.67
6. Step 6: Final answer
   x = 5,618.68