Finding the Fourth Proportional to 22,496.72, 31,035.18 and 13,059.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.72 : 31,035.18 = 13,059.82 : x
2. Step 2: Convert to fraction form
   22,496.72/31,035.18 = 13,059.82/x
3. Step 3: Cross multiply
   22,496.72x = 31,035.18 × 13,059.82
4. Step 4: Simplify right side
   22,496.72x = 405,313,864.47
5. Step 5: Solve for x
   x = 405,313,864.47/22,496.72
6. Step 6: Final answer
   x = 18,016.58