Finding the Fourth Proportional to 2,023.44, 2,792.37 and 1,139.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.44 : 2,792.37 = 1,139.27 : x
2. Step 2: Convert to fraction form
   2,023.44/2,792.37 = 1,139.27/x
3. Step 3: Cross multiply
   2,023.44x = 2,792.37 × 1,139.27
4. Step 4: Simplify right side
   2,023.44x = 3,181,249.41
5. Step 5: Solve for x
   x = 3,181,249.41/2,023.44
6. Step 6: Final answer
   x = 1,572.20