Finding the Fourth Proportional to 12,176.42, 18,264.42 and 3,856.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,176.42 : 18,264.42 = 3,856.42 : x
2. Step 2: Convert to fraction form
   12,176.42/18,264.42 = 3,856.42/x
3. Step 3: Cross multiply
   12,176.42x = 18,264.42 × 3,856.42
4. Step 4: Simplify right side
   12,176.42x = 70,435,183.25
5. Step 5: Solve for x
   x = 70,435,183.25/12,176.42
6. Step 6: Final answer
   x = 5,784.56