Finding the Fourth Proportional to 1,496.55, 2,245.28 and 674.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.55 : 2,245.28 = 674.60 : x
2. Step 2: Convert to fraction form
   1,496.55/2,245.28 = 674.60/x
3. Step 3: Cross multiply
   1,496.55x = 2,245.28 × 674.60
4. Step 4: Simplify right side
   1,496.55x = 1,514,665.89
5. Step 5: Solve for x
   x = 1,514,665.89/1,496.55
6. Step 6: Final answer
   x = 1,012.11