Finding the Fourth Proportional to 3,853.82, 5,771.40 and 2,205.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,853.82 : 5,771.40 = 2,205.37 : x
2. Step 2: Convert to fraction form
   3,853.82/5,771.40 = 2,205.37/x
3. Step 3: Cross multiply
   3,853.82x = 5,771.40 × 2,205.37
4. Step 4: Simplify right side
   3,853.82x = 12,728,043.56
5. Step 5: Solve for x
   x = 12,728,043.56/3,853.82
6. Step 6: Final answer
   x = 3,302.71