Finding the Fourth Proportional to 23,036.78, 31,793.81 and 12,967.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,036.78 : 31,793.81 = 12,967.18 : x
2. Step 2: Convert to fraction form
   23,036.78/31,793.81 = 12,967.18/x
3. Step 3: Cross multiply
   23,036.78x = 31,793.81 × 12,967.18
4. Step 4: Simplify right side
   23,036.78x = 412,276,057.16
5. Step 5: Solve for x
   x = 412,276,057.16/23,036.78
6. Step 6: Final answer
   x = 17,896.43