Finding the Fourth Proportional to 2,402.89, 3,604.94 and 671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.89 : 3,604.94 = 671.50 : x
2. Step 2: Convert to fraction form
   2,402.89/3,604.94 = 671.50/x
3. Step 3: Cross multiply
   2,402.89x = 3,604.94 × 671.50
4. Step 4: Simplify right side
   2,402.89x = 2,420,713.85
5. Step 5: Solve for x
   x = 2,420,713.85/2,402.89
6. Step 6: Final answer
   x = 1,007.42