Finding the Fourth Proportional to 3,789.72, 5,228.55 and 2,297.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.72 : 5,228.55 = 2,297.16 : x
2. Step 2: Convert to fraction form
   3,789.72/5,228.55 = 2,297.16/x
3. Step 3: Cross multiply
   3,789.72x = 5,228.55 × 2,297.16
4. Step 4: Simplify right side
   3,789.72x = 12,010,815.92
5. Step 5: Solve for x
   x = 12,010,815.92/3,789.72
6. Step 6: Final answer
   x = 3,169.31