Finding the Fourth Proportional to 2,096.74, 3,142.90 and 708.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.74 : 3,142.90 = 708.76 : x
2. Step 2: Convert to fraction form
   2,096.74/3,142.90 = 708.76/x
3. Step 3: Cross multiply
   2,096.74x = 3,142.90 × 708.76
4. Step 4: Simplify right side
   2,096.74x = 2,227,561.80
5. Step 5: Solve for x
   x = 2,227,561.80/2,096.74
6. Step 6: Final answer
   x = 1,062.39