Finding the Fourth Proportional to 2,681.72, 4,022.69 and 1,015.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681.72 : 4,022.69 = 1,015.68 : x
2. Step 2: Convert to fraction form
   2,681.72/4,022.69 = 1,015.68/x
3. Step 3: Cross multiply
   2,681.72x = 4,022.69 × 1,015.68
4. Step 4: Simplify right side
   2,681.72x = 4,085,753.18
5. Step 5: Solve for x
   x = 4,085,753.18/2,681.72
6. Step 6: Final answer
   x = 1,523.56