Finding the Fourth Proportional to 2,057.97, 3,087.33 and 1,181.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.97 : 3,087.33 = 1,181.43 : x
2. Step 2: Convert to fraction form
   2,057.97/3,087.33 = 1,181.43/x
3. Step 3: Cross multiply
   2,057.97x = 3,087.33 × 1,181.43
4. Step 4: Simplify right side
   2,057.97x = 3,647,464.28
5. Step 5: Solve for x
   x = 3,647,464.28/2,057.97
6. Step 6: Final answer
   x = 1,772.36