Finding the Fourth Proportional to 2,648.75, 3,974.69 and 1,006.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.75 : 3,974.69 = 1,006.67 : x
2. Step 2: Convert to fraction form
   2,648.75/3,974.69 = 1,006.67/x
3. Step 3: Cross multiply
   2,648.75x = 3,974.69 × 1,006.67
4. Step 4: Simplify right side
   2,648.75x = 4,001,206.09
5. Step 5: Solve for x
   x = 4,001,206.09/2,648.75
6. Step 6: Final answer
   x = 1,510.60