Finding the Fourth Proportional to 16,788.48, 23,167.61 and 9,234.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.48 : 23,167.61 = 9,234.81 : x
2. Step 2: Convert to fraction form
   16,788.48/23,167.61 = 9,234.81/x
3. Step 3: Cross multiply
   16,788.48x = 23,167.61 × 9,234.81
4. Step 4: Simplify right side
   16,788.48x = 213,948,476.50
5. Step 5: Solve for x
   x = 213,948,476.50/16,788.48
6. Step 6: Final answer
   x = 12,743.77