Finding the Fourth Proportional to 23,183.16, 34,785.72 and 8,388.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,183.16 : 34,785.72 = 8,388.12 : x
2. Step 2: Convert to fraction form
   23,183.16/34,785.72 = 8,388.12/x
3. Step 3: Cross multiply
   23,183.16x = 34,785.72 × 8,388.12
4. Step 4: Simplify right side
   23,183.16x = 291,786,793.65
5. Step 5: Solve for x
   x = 291,786,793.65/23,183.16
6. Step 6: Final answer
   x = 12,586.15