Finding the Fourth Proportional to 16,751.62, 23,115.59 and 9,677.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,751.62 : 23,115.59 = 9,677.89 : x
2. Step 2: Convert to fraction form
   16,751.62/23,115.59 = 9,677.89/x
3. Step 3: Cross multiply
   16,751.62x = 23,115.59 × 9,677.89
4. Step 4: Simplify right side
   16,751.62x = 223,710,021.73
5. Step 5: Solve for x
   x = 223,710,021.73/16,751.62
6. Step 6: Final answer
   x = 13,354.53