Finding the Fourth Proportional to 1,601.50, 2,401.98 and 677.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.50 : 2,401.98 = 677.56 : x
2. Step 2: Convert to fraction form
   1,601.50/2,401.98 = 677.56/x
3. Step 3: Cross multiply
   1,601.50x = 2,401.98 × 677.56
4. Step 4: Simplify right side
   1,601.50x = 1,627,485.57
5. Step 5: Solve for x
   x = 1,627,485.57/1,601.50
6. Step 6: Final answer
   x = 1,016.23