Finding the Fourth Proportional to 1,648.50, 2,473.25 and 674.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.50 : 2,473.25 = 674.67 : x
2. Step 2: Convert to fraction form
   1,648.50/2,473.25 = 674.67/x
3. Step 3: Cross multiply
   1,648.50x = 2,473.25 × 674.67
4. Step 4: Simplify right side
   1,648.50x = 1,668,637.27
5. Step 5: Solve for x
   x = 1,668,637.27/1,648.50
6. Step 6: Final answer
   x = 1,012.22