Finding the Fourth Proportional to 1,494.24, 2,242.25 and 672.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.24 : 2,242.25 = 672.54 : x
2. Step 2: Convert to fraction form
   1,494.24/2,242.25 = 672.54/x
3. Step 3: Cross multiply
   1,494.24x = 2,242.25 × 672.54
4. Step 4: Simplify right side
   1,494.24x = 1,507,999.45
5. Step 5: Solve for x
   x = 1,507,999.45/1,494.24
6. Step 6: Final answer
   x = 1,009.21