Finding the Fourth Proportional to 2,096.15, 3,143.61 and 635.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.15 : 3,143.61 = 635.72 : x
2. Step 2: Convert to fraction form
   2,096.15/3,143.61 = 635.72/x
3. Step 3: Cross multiply
   2,096.15x = 3,143.61 × 635.72
4. Step 4: Simplify right side
   2,096.15x = 1,998,440.03
5. Step 5: Solve for x
   x = 1,998,440.03/2,096.15
6. Step 6: Final answer
   x = 953.39