Finding the Fourth Proportional to 20,766.84, 31,134.60 and 10,760.82

Step by Step Solution

1. Step 1: Write the proportion equation
   20,766.84 : 31,134.60 = 10,760.82 : x
2. Step 2: Convert to fraction form
   20,766.84/31,134.60 = 10,760.82/x
3. Step 3: Cross multiply
   20,766.84x = 31,134.60 × 10,760.82
4. Step 4: Simplify right side
   20,766.84x = 335,033,826.37
5. Step 5: Solve for x
   x = 335,033,826.37/20,766.84
6. Step 6: Final answer
   x = 16,133.12