Finding the Fourth Proportional to 3,746.72, 5,170.20 and 2,067.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.72 : 5,170.20 = 2,067.85 : x
2. Step 2: Convert to fraction form
   3,746.72/5,170.20 = 2,067.85/x
3. Step 3: Cross multiply
   3,746.72x = 5,170.20 × 2,067.85
4. Step 4: Simplify right side
   3,746.72x = 10,691,228.77
5. Step 5: Solve for x
   x = 10,691,228.77/3,746.72
6. Step 6: Final answer
   x = 2,853.49