Finding the Fourth Proportional to 23,183.63, 31,995 and 13,112.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,183.63 : 31,995 = 13,112.08 : x
2. Step 2: Convert to fraction form
   23,183.63/31,995 = 13,112.08/x
3. Step 3: Cross multiply
   23,183.63x = 31,995 × 13,112.08
4. Step 4: Simplify right side
   23,183.63x = 419,520,839.63
5. Step 5: Solve for x
   x = 419,520,839.63/23,183.63
6. Step 6: Final answer
   x = 18,095.56