Finding the Fourth Proportional to 12,245.86, 16,906.23 and 9,369.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,245.86 : 16,906.23 = 9,369.18 : x
2. Step 2: Convert to fraction form
   12,245.86/16,906.23 = 9,369.18/x
3. Step 3: Cross multiply
   12,245.86x = 16,906.23 × 9,369.18
4. Step 4: Simplify right side
   12,245.86x = 158,397,380.61
5. Step 5: Solve for x
   x = 158,397,380.61/12,245.86
6. Step 6: Final answer
   x = 12,934.77