Finding the Fourth Proportional to 2,096.76, 3,145.52 and 863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.76 : 3,145.52 = 863.50 : x
2. Step 2: Convert to fraction form
   2,096.76/3,145.52 = 863.50/x
3. Step 3: Cross multiply
   2,096.76x = 3,145.52 × 863.50
4. Step 4: Simplify right side
   2,096.76x = 2,716,150.81
5. Step 5: Solve for x
   x = 2,716,150.81/2,096.76
6. Step 6: Final answer
   x = 1,295.40