Finding the Fourth Proportional to 1,649.34, 2,472.60 and 674.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.34 : 2,472.60 = 674.82 : x
2. Step 2: Convert to fraction form
   1,649.34/2,472.60 = 674.82/x
3. Step 3: Cross multiply
   1,649.34x = 2,472.60 × 674.82
4. Step 4: Simplify right side
   1,649.34x = 1,668,559.93
5. Step 5: Solve for x
   x = 1,668,559.93/1,649.34
6. Step 6: Final answer
   x = 1,011.65