Finding the Fourth Proportional to 21,627.92, 32,413.61 and 11,089.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,627.92 : 32,413.61 = 11,089.01 : x
2. Step 2: Convert to fraction form
   21,627.92/32,413.61 = 11,089.01/x
3. Step 3: Cross multiply
   21,627.92x = 32,413.61 × 11,089.01
4. Step 4: Simplify right side
   21,627.92x = 359,434,627.91
5. Step 5: Solve for x
   x = 359,434,627.91/21,627.92
6. Step 6: Final answer
   x = 16,619.01