Finding the Fourth Proportional to 2,511.28, 3,767.46 and 951.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,511.28 : 3,767.46 = 951.31 : x
2. Step 2: Convert to fraction form
   2,511.28/3,767.46 = 951.31/x
3. Step 3: Cross multiply
   2,511.28x = 3,767.46 × 951.31
4. Step 4: Simplify right side
   2,511.28x = 3,584,022.37
5. Step 5: Solve for x
   x = 3,584,022.37/2,511.28
6. Step 6: Final answer
   x = 1,427.17