Finding the Fourth Proportional to 4,761.72, 7,144.50 and 2,162.04

Step by Step Solution

1. Step 1: Write the proportion equation
   4,761.72 : 7,144.50 = 2,162.04 : x
2. Step 2: Convert to fraction form
   4,761.72/7,144.50 = 2,162.04/x
3. Step 3: Cross multiply
   4,761.72x = 7,144.50 × 2,162.04
4. Step 4: Simplify right side
   4,761.72x = 15,446,694.78
5. Step 5: Solve for x
   x = 15,446,694.78/4,761.72
6. Step 6: Final answer
   x = 3,243.93