Finding the Fourth Proportional to 3,935.12, 5,897.82 and 3,449.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,935.12 : 5,897.82 = 3,449.12 : x
2. Step 2: Convert to fraction form
   3,935.12/5,897.82 = 3,449.12/x
3. Step 3: Cross multiply
   3,935.12x = 5,897.82 × 3,449.12
4. Step 4: Simplify right side
   3,935.12x = 20,342,288.92
5. Step 5: Solve for x
   x = 20,342,288.92/3,935.12
6. Step 6: Final answer
   x = 5,169.42