Finding the Fourth Proportional to 23,183.40, 31,992.71 and 13,111.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,183.40 : 31,992.71 = 13,111.46 : x
2. Step 2: Convert to fraction form
   23,183.40/31,992.71 = 13,111.46/x
3. Step 3: Cross multiply
   23,183.40x = 31,992.71 × 13,111.46
4. Step 4: Simplify right side
   23,183.40x = 419,471,250.22
5. Step 5: Solve for x
   x = 419,471,250.22/23,183.40
6. Step 6: Final answer
   x = 18,093.60