Finding the Fourth Proportional to 2,650.38, 3,658.83 and 2,021.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.38 : 3,658.83 = 2,021.01 : x
2. Step 2: Convert to fraction form
   2,650.38/3,658.83 = 2,021.01/x
3. Step 3: Cross multiply
   2,650.38x = 3,658.83 × 2,021.01
4. Step 4: Simplify right side
   2,650.38x = 7,394,532.02
5. Step 5: Solve for x
   x = 7,394,532.02/2,650.38
6. Step 6: Final answer
   x = 2,789.99