Finding the Fourth Proportional to 2,644.98, 3,967.17 and 697.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.98 : 3,967.17 = 697.34 : x
2. Step 2: Convert to fraction form
   2,644.98/3,967.17 = 697.34/x
3. Step 3: Cross multiply
   2,644.98x = 3,967.17 × 697.34
4. Step 4: Simplify right side
   2,644.98x = 2,766,466.33
5. Step 5: Solve for x
   x = 2,766,466.33/2,644.98
6. Step 6: Final answer
   x = 1,045.93