Finding the Fourth Proportional to 2,456.02, 3,680.90 and 1,067.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.02 : 3,680.90 = 1,067.72 : x
2. Step 2: Convert to fraction form
   2,456.02/3,680.90 = 1,067.72/x
3. Step 3: Cross multiply
   2,456.02x = 3,680.90 × 1,067.72
4. Step 4: Simplify right side
   2,456.02x = 3,930,170.55
5. Step 5: Solve for x
   x = 3,930,170.55/2,456.02
6. Step 6: Final answer
   x = 1,600.22