Finding the Fourth Proportional to 16,652.79, 22,981.73 and 9,580.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,652.79 : 22,981.73 = 9,580.28 : x
2. Step 2: Convert to fraction form
   16,652.79/22,981.73 = 9,580.28/x
3. Step 3: Cross multiply
   16,652.79x = 22,981.73 × 9,580.28
4. Step 4: Simplify right side
   16,652.79x = 220,171,245.47
5. Step 5: Solve for x
   x = 220,171,245.47/16,652.79
6. Step 6: Final answer
   x = 13,221.28