Finding the Fourth Proportional to 5,752.88, 7,942.83 and 3,867.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,752.88 : 7,942.83 = 3,867.28 : x
2. Step 2: Convert to fraction form
   5,752.88/7,942.83 = 3,867.28/x
3. Step 3: Cross multiply
   5,752.88x = 7,942.83 × 3,867.28
4. Step 4: Simplify right side
   5,752.88x = 30,717,147.60
5. Step 5: Solve for x
   x = 30,717,147.60/5,752.88
6. Step 6: Final answer
   x = 5,339.44