Finding the Fourth Proportional to 3,255.30, 4,491.72 and 2,756.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,255.30 : 4,491.72 = 2,756.88 : x
2. Step 2: Convert to fraction form
   3,255.30/4,491.72 = 2,756.88/x
3. Step 3: Cross multiply
   3,255.30x = 4,491.72 × 2,756.88
4. Step 4: Simplify right side
   3,255.30x = 12,383,133.03
5. Step 5: Solve for x
   x = 12,383,133.03/3,255.30
6. Step 6: Final answer
   x = 3,803.99