Finding the Fourth Proportional to 2,282.82, 3,150.61 and 1,398.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.82 : 3,150.61 = 1,398.71 : x
2. Step 2: Convert to fraction form
   2,282.82/3,150.61 = 1,398.71/x
3. Step 3: Cross multiply
   2,282.82x = 3,150.61 × 1,398.71
4. Step 4: Simplify right side
   2,282.82x = 4,406,789.71
5. Step 5: Solve for x
   x = 4,406,789.71/2,282.82
6. Step 6: Final answer
   x = 1,930.41