Finding the Fourth Proportional to 10,766.05, 16,141.28 and 3,366.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,766.05 : 16,141.28 = 3,366.50 : x
2. Step 2: Convert to fraction form
   10,766.05/16,141.28 = 3,366.50/x
3. Step 3: Cross multiply
   10,766.05x = 16,141.28 × 3,366.50
4. Step 4: Simplify right side
   10,766.05x = 54,339,521.58
5. Step 5: Solve for x
   x = 54,339,521.58/10,766.05
6. Step 6: Final answer
   x = 5,047.30