Finding the Fourth Proportional to 4,801.28, 7,168.91 and 4,275.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,801.28 : 7,168.91 = 4,275.18 : x
2. Step 2: Convert to fraction form
   4,801.28/7,168.91 = 4,275.18/x
3. Step 3: Cross multiply
   4,801.28x = 7,168.91 × 4,275.18
4. Step 4: Simplify right side
   4,801.28x = 30,648,359.28
5. Step 5: Solve for x
   x = 30,648,359.28/4,801.28
6. Step 6: Final answer
   x = 6,383.38