Finding the Fourth Proportional to 5,722.72, 7,896.72 and 3,238.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,722.72 : 7,896.72 = 3,238.24 : x
2. Step 2: Convert to fraction form
   5,722.72/7,896.72 = 3,238.24/x
3. Step 3: Cross multiply
   5,722.72x = 7,896.72 × 3,238.24
4. Step 4: Simplify right side
   5,722.72x = 25,571,474.57
5. Step 5: Solve for x
   x = 25,571,474.57/5,722.72
6. Step 6: Final answer
   x = 4,468.41