Finding the Fourth Proportional to 16,776.86, 23,152.34 and 9,223.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776.86 : 23,152.34 = 9,223.50 : x
2. Step 2: Convert to fraction form
   16,776.86/23,152.34 = 9,223.50/x
3. Step 3: Cross multiply
   16,776.86x = 23,152.34 × 9,223.50
4. Step 4: Simplify right side
   16,776.86x = 213,545,561.87
5. Step 5: Solve for x
   x = 213,545,561.87/16,776.86
6. Step 6: Final answer
   x = 12,728.58