Finding the Fourth Proportional to 1,649.16, 2,472.72 and 674.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.16 : 2,472.72 = 674.16 : x
2. Step 2: Convert to fraction form
   1,649.16/2,472.72 = 674.16/x
3. Step 3: Cross multiply
   1,649.16x = 2,472.72 × 674.16
4. Step 4: Simplify right side
   1,649.16x = 1,667,008.92
5. Step 5: Solve for x
   x = 1,667,008.92/1,649.16
6. Step 6: Final answer
   x = 1,010.82