Finding the Fourth Proportional to 14,589.72, 21,745.77 and 13,759.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,589.72 : 21,745.77 = 13,759.27 : x
2. Step 2: Convert to fraction form
   14,589.72/21,745.77 = 13,759.27/x
3. Step 3: Cross multiply
   14,589.72x = 21,745.77 × 13,759.27
4. Step 4: Simplify right side
   14,589.72x = 299,205,814.83
5. Step 5: Solve for x
   x = 299,205,814.83/14,589.72
6. Step 6: Final answer
   x = 20,507.99