Finding the Fourth Proportional to 23,105.27, 31,893.45 and 13,673.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,105.27 : 31,893.45 = 13,673.81 : x
2. Step 2: Convert to fraction form
   23,105.27/31,893.45 = 13,673.81/x
3. Step 3: Cross multiply
   23,105.27x = 31,893.45 × 13,673.81
4. Step 4: Simplify right side
   23,105.27x = 436,105,004.00
5. Step 5: Solve for x
   x = 436,105,004.00/23,105.27
6. Step 6: Final answer
   x = 18,874.70