Finding the Fourth Proportional to 2,676.75, 4,015.72 and 1,291.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676.75 : 4,015.72 = 1,291.25 : x
2. Step 2: Convert to fraction form
   2,676.75/4,015.72 = 1,291.25/x
3. Step 3: Cross multiply
   2,676.75x = 4,015.72 × 1,291.25
4. Step 4: Simplify right side
   2,676.75x = 5,185,275.14
5. Step 5: Solve for x
   x = 5,185,275.14/2,676.75
6. Step 6: Final answer
   x = 1,937.16