Finding the Fourth Proportional to 11,085.99, 16,631 and 6,698.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.99 : 16,631 = 6,698.22 : x
2. Step 2: Convert to fraction form
   11,085.99/16,631 = 6,698.22/x
3. Step 3: Cross multiply
   11,085.99x = 16,631 × 6,698.22
4. Step 4: Simplify right side
   11,085.99x = 111,398,096.82
5. Step 5: Solve for x
   x = 111,398,096.82/11,085.99
6. Step 6: Final answer
   x = 10,048.55