Finding the Fourth Proportional to 2,662.09, 3,993.41 and 1,020.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.09 : 3,993.41 = 1,020.02 : x
2. Step 2: Convert to fraction form
   2,662.09/3,993.41 = 1,020.02/x
3. Step 3: Cross multiply
   2,662.09x = 3,993.41 × 1,020.02
4. Step 4: Simplify right side
   2,662.09x = 4,073,358.07
5. Step 5: Solve for x
   x = 4,073,358.07/2,662.09
6. Step 6: Final answer
   x = 1,530.14