Finding the Fourth Proportional to 16,888.65, 23,304.71 and 9,333.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,888.65 : 23,304.71 = 9,333.76 : x
2. Step 2: Convert to fraction form
   16,888.65/23,304.71 = 9,333.76/x
3. Step 3: Cross multiply
   16,888.65x = 23,304.71 × 9,333.76
4. Step 4: Simplify right side
   16,888.65x = 217,520,453.49
5. Step 5: Solve for x
   x = 217,520,453.49/16,888.65
6. Step 6: Final answer
   x = 12,879.68