Finding the Fourth Proportional to 2,482.72, 3,722.64 and 1,020.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,482.72 : 3,722.64 = 1,020.22 : x
2. Step 2: Convert to fraction form
   2,482.72/3,722.64 = 1,020.22/x
3. Step 3: Cross multiply
   2,482.72x = 3,722.64 × 1,020.22
4. Step 4: Simplify right side
   2,482.72x = 3,797,911.78
5. Step 5: Solve for x
   x = 3,797,911.78/2,482.72
6. Step 6: Final answer
   x = 1,529.74