Finding the Fourth Proportional to 2,096.20, 2,895.78 and 2,031.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.20 : 2,895.78 = 2,031.40 : x
2. Step 2: Convert to fraction form
   2,096.20/2,895.78 = 2,031.40/x
3. Step 3: Cross multiply
   2,096.20x = 2,895.78 × 2,031.40
4. Step 4: Simplify right side
   2,096.20x = 5,882,487.49
5. Step 5: Solve for x
   x = 5,882,487.49/2,096.20
6. Step 6: Final answer
   x = 2,806.26