Finding the Fourth Proportional to 2,021.24, 2,789.35 and 1,182.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.24 : 2,789.35 = 1,182.55 : x
2. Step 2: Convert to fraction form
   2,021.24/2,789.35 = 1,182.55/x
3. Step 3: Cross multiply
   2,021.24x = 2,789.35 × 1,182.55
4. Step 4: Simplify right side
   2,021.24x = 3,298,545.84
5. Step 5: Solve for x
   x = 3,298,545.84/2,021.24
6. Step 6: Final answer
   x = 1,631.94