Finding the Fourth Proportional to 12,071.80, 16,659.54 and 6,766.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.80 : 16,659.54 = 6,766.69 : x
2. Step 2: Convert to fraction form
   12,071.80/16,659.54 = 6,766.69/x
3. Step 3: Cross multiply
   12,071.80x = 16,659.54 × 6,766.69
4. Step 4: Simplify right side
   12,071.80x = 112,729,942.72
5. Step 5: Solve for x
   x = 112,729,942.72/12,071.80
6. Step 6: Final answer
   x = 9,338.29