Finding the Fourth Proportional to 2,020.56, 2,788.44 and 1,136.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.56 : 2,788.44 = 1,136.52 : x
2. Step 2: Convert to fraction form
   2,020.56/2,788.44 = 1,136.52/x
3. Step 3: Cross multiply
   2,020.56x = 2,788.44 × 1,136.52
4. Step 4: Simplify right side
   2,020.56x = 3,169,117.83
5. Step 5: Solve for x
   x = 3,169,117.83/2,020.56
6. Step 6: Final answer
   x = 1,568.44