Finding the Fourth Proportional to 12,105.91, 16,707.05 and 6,801.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.91 : 16,707.05 = 6,801.04 : x
2. Step 2: Convert to fraction form
   12,105.91/16,707.05 = 6,801.04/x
3. Step 3: Cross multiply
   12,105.91x = 16,707.05 × 6,801.04
4. Step 4: Simplify right side
   12,105.91x = 113,625,315.33
5. Step 5: Solve for x
   x = 113,625,315.33/12,105.91
6. Step 6: Final answer
   x = 9,385.94