Finding the Fourth Proportional to 2,096.96, 3,146.46 and 864.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.96 : 3,146.46 = 864.74 : x
2. Step 2: Convert to fraction form
   2,096.96/3,146.46 = 864.74/x
3. Step 3: Cross multiply
   2,096.96x = 3,146.46 × 864.74
4. Step 4: Simplify right side
   2,096.96x = 2,720,869.82
5. Step 5: Solve for x
   x = 2,720,869.82/2,096.96
6. Step 6: Final answer
   x = 1,297.53