Finding the Fourth Proportional to 2,949.56, 4,425 and 869.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.56 : 4,425 = 869.54 : x
2. Step 2: Convert to fraction form
   2,949.56/4,425 = 869.54/x
3. Step 3: Cross multiply
   2,949.56x = 4,425 × 869.54
4. Step 4: Simplify right side
   2,949.56x = 3,847,714.50
5. Step 5: Solve for x
   x = 3,847,714.50/2,949.56
6. Step 6: Final answer
   x = 1,304.50