Finding the Fourth Proportional to 3,944.52, 5,443.05 and 2,431.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.52 : 5,443.05 = 2,431.83 : x
2. Step 2: Convert to fraction form
   3,944.52/5,443.05 = 2,431.83/x
3. Step 3: Cross multiply
   3,944.52x = 5,443.05 × 2,431.83
4. Step 4: Simplify right side
   3,944.52x = 13,236,572.28
5. Step 5: Solve for x
   x = 13,236,572.28/3,944.52
6. Step 6: Final answer
   x = 3,355.69