Finding the Fourth Proportional to 14,443.27, 19,936.16 and 9,398.59

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.27 : 19,936.16 = 9,398.59 : x
2. Step 2: Convert to fraction form
   14,443.27/19,936.16 = 9,398.59/x
3. Step 3: Cross multiply
   14,443.27x = 19,936.16 × 9,398.59
4. Step 4: Simplify right side
   14,443.27x = 187,371,794.01
5. Step 5: Solve for x
   x = 187,371,794.01/14,443.27
6. Step 6: Final answer
   x = 12,972.95