Finding the Fourth Proportional to 2,828.24, 4,234.43 and 2,132.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.24 : 4,234.43 = 2,132.72 : x
2. Step 2: Convert to fraction form
   2,828.24/4,234.43 = 2,132.72/x
3. Step 3: Cross multiply
   2,828.24x = 4,234.43 × 2,132.72
4. Step 4: Simplify right side
   2,828.24x = 9,030,850.88
5. Step 5: Solve for x
   x = 9,030,850.88/2,828.24
6. Step 6: Final answer
   x = 3,193.10