Finding the Fourth Proportional to 2,402.64, 3,604.56 and 671.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.64 : 3,604.56 = 671.25 : x
2. Step 2: Convert to fraction form
   2,402.64/3,604.56 = 671.25/x
3. Step 3: Cross multiply
   2,402.64x = 3,604.56 × 671.25
4. Step 4: Simplify right side
   2,402.64x = 2,419,560.90
5. Step 5: Solve for x
   x = 2,419,560.90/2,402.64
6. Step 6: Final answer
   x = 1,007.04