Finding the Fourth Proportional to 5,142.28, 7,096.98 and 3,153.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.28 : 7,096.98 = 3,153.10 : x
2. Step 2: Convert to fraction form
   5,142.28/7,096.98 = 3,153.10/x
3. Step 3: Cross multiply
   5,142.28x = 7,096.98 × 3,153.10
4. Step 4: Simplify right side
   5,142.28x = 22,377,487.64
5. Step 5: Solve for x
   x = 22,377,487.64/5,142.28
6. Step 6: Final answer
   x = 4,351.67