Finding the Fourth Proportional to 1,647.98, 2,472.24 and 673.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.98 : 2,472.24 = 673.82 : x
2. Step 2: Convert to fraction form
   1,647.98/2,472.24 = 673.82/x
3. Step 3: Cross multiply
   1,647.98x = 2,472.24 × 673.82
4. Step 4: Simplify right side
   1,647.98x = 1,665,844.76
5. Step 5: Solve for x
   x = 1,665,844.76/1,647.98
6. Step 6: Final answer
   x = 1,010.84