Finding the Fourth Proportional to 11,805.30, 16,282.89 and 7,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,805.30 : 16,282.89 = 7,609.50 : x
2. Step 2: Convert to fraction form
   11,805.30/16,282.89 = 7,609.50/x
3. Step 3: Cross multiply
   11,805.30x = 16,282.89 × 7,609.50
4. Step 4: Simplify right side
   11,805.30x = 123,904,651.46
5. Step 5: Solve for x
   x = 123,904,651.46/11,805.30
6. Step 6: Final answer
   x = 10,495.68