Finding the Fourth Proportional to 3,067.88, 4,234.41 and 1,742.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,067.88 : 4,234.41 = 1,742.31 : x
2. Step 2: Convert to fraction form
   3,067.88/4,234.41 = 1,742.31/x
3. Step 3: Cross multiply
   3,067.88x = 4,234.41 × 1,742.31
4. Step 4: Simplify right side
   3,067.88x = 7,377,654.89
5. Step 5: Solve for x
   x = 7,377,654.89/3,067.88
6. Step 6: Final answer
   x = 2,404.81