Finding the Fourth Proportional to 2,650.05, 3,974.49 and 1,006.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.05 : 3,974.49 = 1,006.56 : x
2. Step 2: Convert to fraction form
   2,650.05/3,974.49 = 1,006.56/x
3. Step 3: Cross multiply
   2,650.05x = 3,974.49 × 1,006.56
4. Step 4: Simplify right side
   2,650.05x = 4,000,562.65
5. Step 5: Solve for x
   x = 4,000,562.65/2,650.05
6. Step 6: Final answer
   x = 1,509.62