Finding the Fourth Proportional to 2,096.87, 3,145.42 and 636.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.87 : 3,145.42 = 636.03 : x
2. Step 2: Convert to fraction form
   2,096.87/3,145.42 = 636.03/x
3. Step 3: Cross multiply
   2,096.87x = 3,145.42 × 636.03
4. Step 4: Simplify right side
   2,096.87x = 2,000,582.28
5. Step 5: Solve for x
   x = 2,000,582.28/2,096.87
6. Step 6: Final answer
   x = 954.08