Finding the Fourth Proportional to 2,114.28, 3,175.06 and 1,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.28 : 3,175.06 = 1,789.88 : x
2. Step 2: Convert to fraction form
   2,114.28/3,175.06 = 1,789.88/x
3. Step 3: Cross multiply
   2,114.28x = 3,175.06 × 1,789.88
4. Step 4: Simplify right side
   2,114.28x = 5,682,976.39
5. Step 5: Solve for x
   x = 5,682,976.39/2,114.28
6. Step 6: Final answer
   x = 2,687.90