Finding the Fourth Proportional to 1,496.29, 2,242.67 and 673.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.29 : 2,242.67 = 673.60 : x
2. Step 2: Convert to fraction form
   1,496.29/2,242.67 = 673.60/x
3. Step 3: Cross multiply
   1,496.29x = 2,242.67 × 673.60
4. Step 4: Simplify right side
   1,496.29x = 1,510,651.30
5. Step 5: Solve for x
   x = 1,510,651.30/1,496.29
6. Step 6: Final answer
   x = 1,009.60