Finding the Fourth Proportional to 2,286.42, 3,155.31 and 1,401.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.42 : 3,155.31 = 1,401.71 : x
2. Step 2: Convert to fraction form
   2,286.42/3,155.31 = 1,401.71/x
3. Step 3: Cross multiply
   2,286.42x = 3,155.31 × 1,401.71
4. Step 4: Simplify right side
   2,286.42x = 4,422,813.80
5. Step 5: Solve for x
   x = 4,422,813.80/2,286.42
6. Step 6: Final answer
   x = 1,934.39