Finding the Fourth Proportional to 11,661.09, 16,094.79 and 7,682.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,661.09 : 16,094.79 = 7,682.55 : x
2. Step 2: Convert to fraction form
   11,661.09/16,094.79 = 7,682.55/x
3. Step 3: Cross multiply
   11,661.09x = 16,094.79 × 7,682.55
4. Step 4: Simplify right side
   11,661.09x = 123,649,028.91
5. Step 5: Solve for x
   x = 123,649,028.91/11,661.09
6. Step 6: Final answer
   x = 10,603.56