Finding the Fourth Proportional to 10,720.05, 16,083.72 and 6,766.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,720.05 : 16,083.72 = 6,766.71 : x
2. Step 2: Convert to fraction form
   10,720.05/16,083.72 = 6,766.71/x
3. Step 3: Cross multiply
   10,720.05x = 16,083.72 × 6,766.71
4. Step 4: Simplify right side
   10,720.05x = 108,833,868.96
5. Step 5: Solve for x
   x = 108,833,868.96/10,720.05
6. Step 6: Final answer
   x = 10,152.37