Finding the Fourth Proportional to 3,944.94, 5,443.98 and 2,176.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.94 : 5,443.98 = 2,176.55 : x
2. Step 2: Convert to fraction form
   3,944.94/5,443.98 = 2,176.55/x
3. Step 3: Cross multiply
   3,944.94x = 5,443.98 × 2,176.55
4. Step 4: Simplify right side
   3,944.94x = 11,849,094.67
5. Step 5: Solve for x
   x = 11,849,094.67/3,944.94
6. Step 6: Final answer
   x = 3,003.62