Finding the Fourth Proportional to 3,949.33, 5,450.01 and 2,180.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.33 : 5,450.01 = 2,180.89 : x
2. Step 2: Convert to fraction form
   3,949.33/5,450.01 = 2,180.89/x
3. Step 3: Cross multiply
   3,949.33x = 5,450.01 × 2,180.89
4. Step 4: Simplify right side
   3,949.33x = 11,885,872.31
5. Step 5: Solve for x
   x = 11,885,872.31/3,949.33
6. Step 6: Final answer
   x = 3,009.59