Finding the Fourth Proportional to 2,020.48, 2,788.31 and 1,136.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.48 : 2,788.31 = 1,136.27 : x
2. Step 2: Convert to fraction form
   2,020.48/2,788.31 = 1,136.27/x
3. Step 3: Cross multiply
   2,020.48x = 2,788.31 × 1,136.27
4. Step 4: Simplify right side
   2,020.48x = 3,168,273.00
5. Step 5: Solve for x
   x = 3,168,273.00/2,020.48
6. Step 6: Final answer
   x = 1,568.08