Finding the Fourth Proportional to 1,494.78, 2,243.25 and 673.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.78 : 2,243.25 = 673.98 : x
2. Step 2: Convert to fraction form
   1,494.78/2,243.25 = 673.98/x
3. Step 3: Cross multiply
   1,494.78x = 2,243.25 × 673.98
4. Step 4: Simplify right side
   1,494.78x = 1,511,905.64
5. Step 5: Solve for x
   x = 1,511,905.64/1,494.78
6. Step 6: Final answer
   x = 1,011.46