Finding the Fourth Proportional to 4,763.56, 7,128.71 and 3,635.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,763.56 : 7,128.71 = 3,635.89 : x
2. Step 2: Convert to fraction form
   4,763.56/7,128.71 = 3,635.89/x
3. Step 3: Cross multiply
   4,763.56x = 7,128.71 × 3,635.89
4. Step 4: Simplify right side
   4,763.56x = 25,919,183.04
5. Step 5: Solve for x
   x = 25,919,183.04/4,763.56
6. Step 6: Final answer
   x = 5,441.14