Finding the Fourth Proportional to 2,096.79, 3,145.59 and 799.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.79 : 3,145.59 = 799.17 : x
2. Step 2: Convert to fraction form
   2,096.79/3,145.59 = 799.17/x
3. Step 3: Cross multiply
   2,096.79x = 3,145.59 × 799.17
4. Step 4: Simplify right side
   2,096.79x = 2,513,861.16
5. Step 5: Solve for x
   x = 2,513,861.16/2,096.79
6. Step 6: Final answer
   x = 1,198.91