Finding the Fourth Proportional to 3,944.56, 5,443.55 and 2,176.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.56 : 5,443.55 = 2,176.16 : x
2. Step 2: Convert to fraction form
   3,944.56/5,443.55 = 2,176.16/x
3. Step 3: Cross multiply
   3,944.56x = 5,443.55 × 2,176.16
4. Step 4: Simplify right side
   3,944.56x = 11,846,054.82
5. Step 5: Solve for x
   x = 11,846,054.82/3,944.56
6. Step 6: Final answer
   x = 3,003.14