Finding the Fourth Proportional to 2,119.27, 3,179.55 and 1,023.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.27 : 3,179.55 = 1,023.43 : x
2. Step 2: Convert to fraction form
   2,119.27/3,179.55 = 1,023.43/x
3. Step 3: Cross multiply
   2,119.27x = 3,179.55 × 1,023.43
4. Step 4: Simplify right side
   2,119.27x = 3,254,046.86
5. Step 5: Solve for x
   x = 3,254,046.86/2,119.27
6. Step 6: Final answer
   x = 1,535.46