Finding the Fourth Proportional to 2,096.76, 3,144.42 and 709.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.76 : 3,144.42 = 709.78 : x
2. Step 2: Convert to fraction form
   2,096.76/3,144.42 = 709.78/x
3. Step 3: Cross multiply
   2,096.76x = 3,144.42 × 709.78
4. Step 4: Simplify right side
   2,096.76x = 2,231,846.43
5. Step 5: Solve for x
   x = 2,231,846.43/2,096.76
6. Step 6: Final answer
   x = 1,064.43