Finding the Fourth Proportional to 21,989.50, 32,863.52 and 16,078.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,989.50 : 32,863.52 = 16,078.83 : x
2. Step 2: Convert to fraction form
   21,989.50/32,863.52 = 16,078.83/x
3. Step 3: Cross multiply
   21,989.50x = 32,863.52 × 16,078.83
4. Step 4: Simplify right side
   21,989.50x = 528,406,951.28
5. Step 5: Solve for x
   x = 528,406,951.28/21,989.50
6. Step 6: Final answer
   x = 24,029.97