Finding the Fourth Proportional to 13,766.30, 20,650.82 and 4,403.97

Step by Step Solution

1. Step 1: Write the proportion equation
   13,766.30 : 20,650.82 = 4,403.97 : x
2. Step 2: Convert to fraction form
   13,766.30/20,650.82 = 4,403.97/x
3. Step 3: Cross multiply
   13,766.30x = 20,650.82 × 4,403.97
4. Step 4: Simplify right side
   13,766.30x = 90,945,591.76
5. Step 5: Solve for x
   x = 90,945,591.76/13,766.30
6. Step 6: Final answer
   x = 6,606.39