Finding the Fourth Proportional to 3,789.39, 5,228.52 and 2,297.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.39 : 5,228.52 = 2,297.28 : x
2. Step 2: Convert to fraction form
   3,789.39/5,228.52 = 2,297.28/x
3. Step 3: Cross multiply
   3,789.39x = 5,228.52 × 2,297.28
4. Step 4: Simplify right side
   3,789.39x = 12,011,374.43
5. Step 5: Solve for x
   x = 12,011,374.43/3,789.39
6. Step 6: Final answer
   x = 3,169.74