Finding the Fourth Proportional to 14,089.75, 19,443.82 and 8,121.37

Step by Step Solution

1. Step 1: Write the proportion equation
   14,089.75 : 19,443.82 = 8,121.37 : x
2. Step 2: Convert to fraction form
   14,089.75/19,443.82 = 8,121.37/x
3. Step 3: Cross multiply
   14,089.75x = 19,443.82 × 8,121.37
4. Step 4: Simplify right side
   14,089.75x = 157,910,456.43
5. Step 5: Solve for x
   x = 157,910,456.43/14,089.75
6. Step 6: Final answer
   x = 11,207.47