Finding the Fourth Proportional to 16,777.86, 23,153.72 and 9,224.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,777.86 : 23,153.72 = 9,224.50 : x
2. Step 2: Convert to fraction form
   16,777.86/23,153.72 = 9,224.50/x
3. Step 3: Cross multiply
   16,777.86x = 23,153.72 × 9,224.50
4. Step 4: Simplify right side
   16,777.86x = 213,581,490.14
5. Step 5: Solve for x
   x = 213,581,490.14/16,777.86
6. Step 6: Final answer
   x = 12,729.96