Finding the Fourth Proportional to 5,760.05, 7,949.86 and 4,255.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,760.05 : 7,949.86 = 4,255.42 : x
2. Step 2: Convert to fraction form
   5,760.05/7,949.86 = 4,255.42/x
3. Step 3: Cross multiply
   5,760.05x = 7,949.86 × 4,255.42
4. Step 4: Simplify right side
   5,760.05x = 33,830,017.16
5. Step 5: Solve for x
   x = 33,830,017.16/5,760.05
6. Step 6: Final answer
   x = 5,873.22