Finding the Fourth Proportional to 2,028.06, 2,798.82 and 1,143.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.06 : 2,798.82 = 1,143.86 : x
2. Step 2: Convert to fraction form
   2,028.06/2,798.82 = 1,143.86/x
3. Step 3: Cross multiply
   2,028.06x = 2,798.82 × 1,143.86
4. Step 4: Simplify right side
   2,028.06x = 3,201,444.25
5. Step 5: Solve for x
   x = 3,201,444.25/2,028.06
6. Step 6: Final answer
   x = 1,578.57