Finding the Fourth Proportional to 3,648.27, 5,067.70 and 3,591.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.27 : 5,067.70 = 3,591.74 : x
2. Step 2: Convert to fraction form
   3,648.27/5,067.70 = 3,591.74/x
3. Step 3: Cross multiply
   3,648.27x = 5,067.70 × 3,591.74
4. Step 4: Simplify right side
   3,648.27x = 18,201,864.49
5. Step 5: Solve for x
   x = 18,201,864.49/3,648.27
6. Step 6: Final answer
   x = 4,989.17