Finding the Fourth Proportional to 21,960.50, 32,946.98 and 8,822.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,960.50 : 32,946.98 = 8,822.10 : x
2. Step 2: Convert to fraction form
   21,960.50/32,946.98 = 8,822.10/x
3. Step 3: Cross multiply
   21,960.50x = 32,946.98 × 8,822.10
4. Step 4: Simplify right side
   21,960.50x = 290,661,508.15
5. Step 5: Solve for x
   x = 290,661,508.15/21,960.50
6. Step 6: Final answer
   x = 13,235.65