Finding the Fourth Proportional to 3,950.33, 5,451.39 and 2,181.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,950.33 : 5,451.39 = 2,181.89 : x
2. Step 2: Convert to fraction form
   3,950.33/5,451.39 = 2,181.89/x
3. Step 3: Cross multiply
   3,950.33x = 5,451.39 × 2,181.89
4. Step 4: Simplify right side
   3,950.33x = 11,894,333.33
5. Step 5: Solve for x
   x = 11,894,333.33/3,950.33
6. Step 6: Final answer
   x = 3,010.97