Finding the Fourth Proportional to 3,421.72, 4,722.06 and 2,096.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421.72 : 4,722.06 = 2,096.18 : x
2. Step 2: Convert to fraction form
   3,421.72/4,722.06 = 2,096.18/x
3. Step 3: Cross multiply
   3,421.72x = 4,722.06 × 2,096.18
4. Step 4: Simplify right side
   3,421.72x = 9,898,287.73
5. Step 5: Solve for x
   x = 9,898,287.73/3,421.72
6. Step 6: Final answer
   x = 2,892.78