Finding the Fourth Proportional to 2,713.56, 4,067.64 and 1,253.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.56 : 4,067.64 = 1,253.49 : x
2. Step 2: Convert to fraction form
   2,713.56/4,067.64 = 1,253.49/x
3. Step 3: Cross multiply
   2,713.56x = 4,067.64 × 1,253.49
4. Step 4: Simplify right side
   2,713.56x = 5,098,746.06
5. Step 5: Solve for x
   x = 5,098,746.06/2,713.56
6. Step 6: Final answer
   x = 1,878.99