Finding the Fourth Proportional to 2,017.71, 3,028.32 and 1,284.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.71 : 3,028.32 = 1,284.93 : x
2. Step 2: Convert to fraction form
   2,017.71/3,028.32 = 1,284.93/x
3. Step 3: Cross multiply
   2,017.71x = 3,028.32 × 1,284.93
4. Step 4: Simplify right side
   2,017.71x = 3,891,179.22
5. Step 5: Solve for x
   x = 3,891,179.22/2,017.71
6. Step 6: Final answer
   x = 1,928.51