Finding the Fourth Proportional to 2,049.50, 3,074.58 and 663.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.50 : 3,074.58 = 663.18 : x
2. Step 2: Convert to fraction form
   2,049.50/3,074.58 = 663.18/x
3. Step 3: Cross multiply
   2,049.50x = 3,074.58 × 663.18
4. Step 4: Simplify right side
   2,049.50x = 2,039,007.59
5. Step 5: Solve for x
   x = 2,039,007.59/2,049.50
6. Step 6: Final answer
   x = 994.88