Finding the Fourth Proportional to 3,933.24, 5,425.83 and 3,188.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.24 : 5,425.83 = 3,188.04 : x
2. Step 2: Convert to fraction form
   3,933.24/5,425.83 = 3,188.04/x
3. Step 3: Cross multiply
   3,933.24x = 5,425.83 × 3,188.04
4. Step 4: Simplify right side
   3,933.24x = 17,297,763.07
5. Step 5: Solve for x
   x = 17,297,763.07/3,933.24
6. Step 6: Final answer
   x = 4,397.84