Finding the Fourth Proportional to 3,944.49, 5,443.31 and 2,176.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.49 : 5,443.31 = 2,176.10 : x
2. Step 2: Convert to fraction form
   3,944.49/5,443.31 = 2,176.10/x
3. Step 3: Cross multiply
   3,944.49x = 5,443.31 × 2,176.10
4. Step 4: Simplify right side
   3,944.49x = 11,845,154.23
5. Step 5: Solve for x
   x = 11,845,154.23/3,944.49
6. Step 6: Final answer
   x = 3,002.96