Finding the Fourth Proportional to 12,105.79, 16,705.04 and 6,799.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.79 : 16,705.04 = 6,799.61 : x
2. Step 2: Convert to fraction form
   12,105.79/16,705.04 = 6,799.61/x
3. Step 3: Cross multiply
   12,105.79x = 16,705.04 × 6,799.61
4. Step 4: Simplify right side
   12,105.79x = 113,587,764.80
5. Step 5: Solve for x
   x = 113,587,764.80/12,105.79
6. Step 6: Final answer
   x = 9,382.93