Finding the Fourth Proportional to 5,142.21, 7,096.37 and 3,153.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.21 : 7,096.37 = 3,153.86 : x
2. Step 2: Convert to fraction form
   5,142.21/7,096.37 = 3,153.86/x
3. Step 3: Cross multiply
   5,142.21x = 7,096.37 × 3,153.86
4. Step 4: Simplify right side
   5,142.21x = 22,380,957.49
5. Step 5: Solve for x
   x = 22,380,957.49/5,142.21
6. Step 6: Final answer
   x = 4,352.40