Finding the Fourth Proportional to 2,021.00, 2,789.04 and 1,136.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.00 : 2,789.04 = 1,136.79 : x
2. Step 2: Convert to fraction form
   2,021.00/2,789.04 = 1,136.79/x
3. Step 3: Cross multiply
   2,021.00x = 2,789.04 × 1,136.79
4. Step 4: Simplify right side
   2,021.00x = 3,170,552.78
5. Step 5: Solve for x
   x = 3,170,552.78/2,021.00
6. Step 6: Final answer
   x = 1,568.81