Finding the Fourth Proportional to 2,713.96, 4,067.69 and 1,398.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.96 : 4,067.69 = 1,398.34 : x
2. Step 2: Convert to fraction form
   2,713.96/4,067.69 = 1,398.34/x
3. Step 3: Cross multiply
   2,713.96x = 4,067.69 × 1,398.34
4. Step 4: Simplify right side
   2,713.96x = 5,687,996.47
5. Step 5: Solve for x
   x = 5,687,996.47/2,713.96
6. Step 6: Final answer
   x = 2,095.83