Finding the Fourth Proportional to 12,096.16, 18,142.48 and 3,774.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096.16 : 18,142.48 = 3,774.24 : x
2. Step 2: Convert to fraction form
   12,096.16/18,142.48 = 3,774.24/x
3. Step 3: Cross multiply
   12,096.16x = 18,142.48 × 3,774.24
4. Step 4: Simplify right side
   12,096.16x = 68,474,073.72
5. Step 5: Solve for x
   x = 68,474,073.72/12,096.16
6. Step 6: Final answer
   x = 5,660.81