Finding the Fourth Proportional to 2,282.70, 3,150.24 and 1,398.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.70 : 3,150.24 = 1,398.56 : x
2. Step 2: Convert to fraction form
   2,282.70/3,150.24 = 1,398.56/x
3. Step 3: Cross multiply
   2,282.70x = 3,150.24 × 1,398.56
4. Step 4: Simplify right side
   2,282.70x = 4,405,789.15
5. Step 5: Solve for x
   x = 4,405,789.15/2,282.70
6. Step 6: Final answer
   x = 1,930.07