Finding the Fourth Proportional to 2,690.73, 4,028.57 and 1,453.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690.73 : 4,028.57 = 1,453.71 : x
2. Step 2: Convert to fraction form
   2,690.73/4,028.57 = 1,453.71/x
3. Step 3: Cross multiply
   2,690.73x = 4,028.57 × 1,453.71
4. Step 4: Simplify right side
   2,690.73x = 5,856,355.57
5. Step 5: Solve for x
   x = 5,856,355.57/2,690.73
6. Step 6: Final answer
   x = 2,176.50