Finding the Fourth Proportional to 2,096.43, 3,143.15 and 985.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.43 : 3,143.15 = 985.22 : x
2. Step 2: Convert to fraction form
   2,096.43/3,143.15 = 985.22/x
3. Step 3: Cross multiply
   2,096.43x = 3,143.15 × 985.22
4. Step 4: Simplify right side
   2,096.43x = 3,096,697.17
5. Step 5: Solve for x
   x = 3,096,697.17/2,096.43
6. Step 6: Final answer
   x = 1,477.13