Finding the Fourth Proportional to 3,944.49, 5,443.55 and 2,265.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.49 : 5,443.55 = 2,265.76 : x
2. Step 2: Convert to fraction form
   3,944.49/5,443.55 = 2,265.76/x
3. Step 3: Cross multiply
   3,944.49x = 5,443.55 × 2,265.76
4. Step 4: Simplify right side
   3,944.49x = 12,333,777.85
5. Step 5: Solve for x
   x = 12,333,777.85/3,944.49
6. Step 6: Final answer
   x = 3,126.84