Finding the Fourth Proportional to 16,500.09, 22,770.05 and 8,946.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,500.09 : 22,770.05 = 8,946.40 : x
2. Step 2: Convert to fraction form
   16,500.09/22,770.05 = 8,946.40/x
3. Step 3: Cross multiply
   16,500.09x = 22,770.05 × 8,946.40
4. Step 4: Simplify right side
   16,500.09x = 203,709,940.76
5. Step 5: Solve for x
   x = 203,709,940.76/16,500.09
6. Step 6: Final answer
   x = 12,345.99