Finding the Fourth Proportional to 16,499.72, 22,769.42 and 8,946.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.72 : 22,769.42 = 8,946.06 : x
2. Step 2: Convert to fraction form
   16,499.72/22,769.42 = 8,946.06/x
3. Step 3: Cross multiply
   16,499.72x = 22,769.42 × 8,946.06
4. Step 4: Simplify right side
   16,499.72x = 203,696,552.75
5. Step 5: Solve for x
   x = 203,696,552.75/16,499.72
6. Step 6: Final answer
   x = 12,345.46