Finding the Fourth Proportional to 2,568.16, 3,852.72 and 837.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.16 : 3,852.72 = 837.28 : x
2. Step 2: Convert to fraction form
   2,568.16/3,852.72 = 837.28/x
3. Step 3: Cross multiply
   2,568.16x = 3,852.72 × 837.28
4. Step 4: Simplify right side
   2,568.16x = 3,225,805.40
5. Step 5: Solve for x
   x = 3,225,805.40/2,568.16
6. Step 6: Final answer
   x = 1,256.08