Finding the Fourth Proportional to 3,944.42, 5,443.30 and 2,176.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.42 : 5,443.30 = 2,176.03 : x
2. Step 2: Convert to fraction form
   3,944.42/5,443.30 = 2,176.03/x
3. Step 3: Cross multiply
   3,944.42x = 5,443.30 × 2,176.03
4. Step 4: Simplify right side
   3,944.42x = 11,844,784.10
5. Step 5: Solve for x
   x = 11,844,784.10/3,944.42
6. Step 6: Final answer
   x = 3,002.92