Finding the Fourth Proportional to 23,589.72, 32,557 and 21,596.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,589.72 : 32,557 = 21,596.72 : x
2. Step 2: Convert to fraction form
   23,589.72/32,557 = 21,596.72/x
3. Step 3: Cross multiply
   23,589.72x = 32,557 × 21,596.72
4. Step 4: Simplify right side
   23,589.72x = 703,124,413.04
5. Step 5: Solve for x
   x = 703,124,413.04/23,589.72
6. Step 6: Final answer
   x = 29,806.39