Finding the Fourth Proportional to 3,944.89, 5,443.80 and 2,176.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.89 : 5,443.80 = 2,176.48 : x
2. Step 2: Convert to fraction form
   3,944.89/5,443.80 = 2,176.48/x
3. Step 3: Cross multiply
   3,944.89x = 5,443.80 × 2,176.48
4. Step 4: Simplify right side
   3,944.89x = 11,848,321.82
5. Step 5: Solve for x
   x = 11,848,321.82/3,944.89
6. Step 6: Final answer
   x = 3,003.46