Finding the Fourth Proportional to 2,576.88, 3,866.13 and 1,016.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.88 : 3,866.13 = 1,016.82 : x
2. Step 2: Convert to fraction form
   2,576.88/3,866.13 = 1,016.82/x
3. Step 3: Cross multiply
   2,576.88x = 3,866.13 × 1,016.82
4. Step 4: Simplify right side
   2,576.88x = 3,931,158.31
5. Step 5: Solve for x
   x = 3,931,158.31/2,576.88
6. Step 6: Final answer
   x = 1,525.55