Finding the Fourth Proportional to 2,021.43, 2,789.91 and 1,182.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.43 : 2,789.91 = 1,182.54 : x
2. Step 2: Convert to fraction form
   2,021.43/2,789.91 = 1,182.54/x
3. Step 3: Cross multiply
   2,021.43x = 2,789.91 × 1,182.54
4. Step 4: Simplify right side
   2,021.43x = 3,299,180.17
5. Step 5: Solve for x
   x = 3,299,180.17/2,021.43
6. Step 6: Final answer
   x = 1,632.10