Finding the Fourth Proportional to 16,784.86, 23,162.61 and 9,231.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.86 : 23,162.61 = 9,231.18 : x
2. Step 2: Convert to fraction form
   16,784.86/23,162.61 = 9,231.18/x
3. Step 3: Cross multiply
   16,784.86x = 23,162.61 × 9,231.18
4. Step 4: Simplify right side
   16,784.86x = 213,818,245.26
5. Step 5: Solve for x
   x = 213,818,245.26/16,784.86
6. Step 6: Final answer
   x = 12,738.76