Finding the Fourth Proportional to 2,576.34, 3,866.55 and 1,016.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.34 : 3,866.55 = 1,016.73 : x
2. Step 2: Convert to fraction form
   2,576.34/3,866.55 = 1,016.73/x
3. Step 3: Cross multiply
   2,576.34x = 3,866.55 × 1,016.73
4. Step 4: Simplify right side
   2,576.34x = 3,931,237.38
5. Step 5: Solve for x
   x = 3,931,237.38/2,576.34
6. Step 6: Final answer
   x = 1,525.90