Finding the Fourth Proportional to 2,020.22, 3,029.31 and 786.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.22 : 3,029.31 = 786.68 : x
2. Step 2: Convert to fraction form
   2,020.22/3,029.31 = 786.68/x
3. Step 3: Cross multiply
   2,020.22x = 3,029.31 × 786.68
4. Step 4: Simplify right side
   2,020.22x = 2,383,097.59
5. Step 5: Solve for x
   x = 2,383,097.59/2,020.22
6. Step 6: Final answer
   x = 1,179.62