Finding the Fourth Proportional to 22,995.89, 31,728.71 and 14,040.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,995.89 : 31,728.71 = 14,040.13 : x
2. Step 2: Convert to fraction form
   22,995.89/31,728.71 = 14,040.13/x
3. Step 3: Cross multiply
   22,995.89x = 31,728.71 × 14,040.13
4. Step 4: Simplify right side
   22,995.89x = 445,475,142.93
5. Step 5: Solve for x
   x = 445,475,142.93/22,995.89
6. Step 6: Final answer
   x = 19,371.95