Finding the Fourth Proportional to 22,944, 31,662.72 and 13,008

Step by Step Solution

1. Step 1: Write the proportion equation
   22,944 : 31,662.72 = 13,008 : x
2. Step 2: Convert to fraction form
   22,944/31,662.72 = 13,008/x
3. Step 3: Cross multiply
   22,944x = 31,662.72 × 13,008
4. Step 4: Simplify right side
   22,944x = 411,868,661.76
5. Step 5: Solve for x
   x = 411,868,661.76/22,944
6. Step 6: Final answer
   x = 17,951.04