Finding the Fourth Proportional to 2,402.75, 3,604.17 and 671.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.75 : 3,604.17 = 671.42 : x
2. Step 2: Convert to fraction form
   2,402.75/3,604.17 = 671.42/x
3. Step 3: Cross multiply
   2,402.75x = 3,604.17 × 671.42
4. Step 4: Simplify right side
   2,402.75x = 2,419,911.82
5. Step 5: Solve for x
   x = 2,419,911.82/2,402.75
6. Step 6: Final answer
   x = 1,007.14