Finding the Fourth Proportional to 23,105.15, 31,885.07 and 12,494.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,105.15 : 31,885.07 = 12,494.82 : x
2. Step 2: Convert to fraction form
   23,105.15/31,885.07 = 12,494.82/x
3. Step 3: Cross multiply
   23,105.15x = 31,885.07 × 12,494.82
4. Step 4: Simplify right side
   23,105.15x = 398,398,147.86
5. Step 5: Solve for x
   x = 398,398,147.86/23,105.15
6. Step 6: Final answer
   x = 17,242.83