Finding the Fourth Proportional to 2,568.12, 3,852.54 and 836.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.12 : 3,852.54 = 836.34 : x
2. Step 2: Convert to fraction form
   2,568.12/3,852.54 = 836.34/x
3. Step 3: Cross multiply
   2,568.12x = 3,852.54 × 836.34
4. Step 4: Simplify right side
   2,568.12x = 3,222,033.30
5. Step 5: Solve for x
   x = 3,222,033.30/2,568.12
6. Step 6: Final answer
   x = 1,254.63