Finding the Fourth Proportional to 2,114.97, 3,171.78 and 1,004.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.97 : 3,171.78 = 1,004.25 : x
2. Step 2: Convert to fraction form
   2,114.97/3,171.78 = 1,004.25/x
3. Step 3: Cross multiply
   2,114.97x = 3,171.78 × 1,004.25
4. Step 4: Simplify right side
   2,114.97x = 3,185,260.07
5. Step 5: Solve for x
   x = 3,185,260.07/2,114.97
6. Step 6: Final answer
   x = 1,506.05