Finding the Fourth Proportional to 3,824.20, 5,708.57 and 3,554.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,824.20 : 5,708.57 = 3,554.12 : x
2. Step 2: Convert to fraction form
   3,824.20/5,708.57 = 3,554.12/x
3. Step 3: Cross multiply
   3,824.20x = 5,708.57 × 3,554.12
4. Step 4: Simplify right side
   3,824.20x = 20,288,942.81
5. Step 5: Solve for x
   x = 20,288,942.81/3,824.20
6. Step 6: Final answer
   x = 5,305.41