Finding the Fourth Proportional to 2,647.25, 3,971.75 and 1,004.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.25 : 3,971.75 = 1,004.27 : x
2. Step 2: Convert to fraction form
   2,647.25/3,971.75 = 1,004.27/x
3. Step 3: Cross multiply
   2,647.25x = 3,971.75 × 1,004.27
4. Step 4: Simplify right side
   2,647.25x = 3,988,692.02
5. Step 5: Solve for x
   x = 3,988,692.02/2,647.25
6. Step 6: Final answer
   x = 1,506.73