Finding the Fourth Proportional to 11,659.51, 16,103.49 and 7,698.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,659.51 : 16,103.49 = 7,698.31 : x
2. Step 2: Convert to fraction form
   11,659.51/16,103.49 = 7,698.31/x
3. Step 3: Cross multiply
   11,659.51x = 16,103.49 × 7,698.31
4. Step 4: Simplify right side
   11,659.51x = 123,969,658.10
5. Step 5: Solve for x
   x = 123,969,658.10/11,659.51
6. Step 6: Final answer
   x = 10,632.49