Finding the Fourth Proportional to 2,789.25, 4,181.49 and 1,144.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.25 : 4,181.49 = 1,144.77 : x
2. Step 2: Convert to fraction form
   2,789.25/4,181.49 = 1,144.77/x
3. Step 3: Cross multiply
   2,789.25x = 4,181.49 × 1,144.77
4. Step 4: Simplify right side
   2,789.25x = 4,786,844.31
5. Step 5: Solve for x
   x = 4,786,844.31/2,789.25
6. Step 6: Final answer
   x = 1,716.18