Finding the Fourth Proportional to 3,933.40, 5,433.62 and 3,726.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.40 : 5,433.62 = 3,726.04 : x
2. Step 2: Convert to fraction form
   3,933.40/5,433.62 = 3,726.04/x
3. Step 3: Cross multiply
   3,933.40x = 5,433.62 × 3,726.04
4. Step 4: Simplify right side
   3,933.40x = 20,245,885.46
5. Step 5: Solve for x
   x = 20,245,885.46/3,933.40
6. Step 6: Final answer
   x = 5,147.17