Finding the Fourth Proportional to 3,853.14, 5,749.46 and 3,618.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,853.14 : 5,749.46 = 3,618.04 : x
2. Step 2: Convert to fraction form
   3,853.14/5,749.46 = 3,618.04/x
3. Step 3: Cross multiply
   3,853.14x = 5,749.46 × 3,618.04
4. Step 4: Simplify right side
   3,853.14x = 20,801,776.26
5. Step 5: Solve for x
   x = 20,801,776.26/3,853.14
6. Step 6: Final answer
   x = 5,398.66