Finding the Fourth Proportional to 3,944.89, 5,443.90 and 2,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.89 : 5,443.90 = 2,176.50 : x
2. Step 2: Convert to fraction form
   3,944.89/5,443.90 = 2,176.50/x
3. Step 3: Cross multiply
   3,944.89x = 5,443.90 × 2,176.50
4. Step 4: Simplify right side
   3,944.89x = 11,848,648.35
5. Step 5: Solve for x
   x = 11,848,648.35/3,944.89
6. Step 6: Final answer
   x = 3,003.54