Finding the Fourth Proportional to 2,662.23, 3,993.62 and 1,020.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.23 : 3,993.62 = 1,020.15 : x
2. Step 2: Convert to fraction form
   2,662.23/3,993.62 = 1,020.15/x
3. Step 3: Cross multiply
   2,662.23x = 3,993.62 × 1,020.15
4. Step 4: Simplify right side
   2,662.23x = 4,074,091.44
5. Step 5: Solve for x
   x = 4,074,091.44/2,662.23
6. Step 6: Final answer
   x = 1,530.33