Finding the Fourth Proportional to 2,836.31, 4,256.78 and 1,375.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.31 : 4,256.78 = 1,375.46 : x
2. Step 2: Convert to fraction form
   2,836.31/4,256.78 = 1,375.46/x
3. Step 3: Cross multiply
   2,836.31x = 4,256.78 × 1,375.46
4. Step 4: Simplify right side
   2,836.31x = 5,855,034.38
5. Step 5: Solve for x
   x = 5,855,034.38/2,836.31
6. Step 6: Final answer
   x = 2,064.31