Finding the Fourth Proportional to 2,836.27, 4,255.69 and 1,275.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.27 : 4,255.69 = 1,275.41 : x
2. Step 2: Convert to fraction form
   2,836.27/4,255.69 = 1,275.41/x
3. Step 3: Cross multiply
   2,836.27x = 4,255.69 × 1,275.41
4. Step 4: Simplify right side
   2,836.27x = 5,427,759.42
5. Step 5: Solve for x
   x = 5,427,759.42/2,836.27
6. Step 6: Final answer
   x = 1,913.70