Finding the Fourth Proportional to 16,662.72, 24,991.52 and 5,569.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,662.72 : 24,991.52 = 5,569.60 : x
2. Step 2: Convert to fraction form
   16,662.72/24,991.52 = 5,569.60/x
3. Step 3: Cross multiply
   16,662.72x = 24,991.52 × 5,569.60
4. Step 4: Simplify right side
   16,662.72x = 139,192,769.79
5. Step 5: Solve for x
   x = 139,192,769.79/16,662.72
6. Step 6: Final answer
   x = 8,353.54