Finding the Fourth Proportional to 3,933.12, 5,894.82 and 3,447.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.12 : 5,894.82 = 3,447.12 : x
2. Step 2: Convert to fraction form
   3,933.12/5,894.82 = 3,447.12/x
3. Step 3: Cross multiply
   3,933.12x = 5,894.82 × 3,447.12
4. Step 4: Simplify right side
   3,933.12x = 20,320,151.92
5. Step 5: Solve for x
   x = 20,320,151.92/3,933.12
6. Step 6: Final answer
   x = 5,166.42