Finding the Fourth Proportional to 6,790.69, 9,371.60 and 3,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,790.69 : 9,371.60 = 3,806.72 : x
2. Step 2: Convert to fraction form
   6,790.69/9,371.60 = 3,806.72/x
3. Step 3: Cross multiply
   6,790.69x = 9,371.60 × 3,806.72
4. Step 4: Simplify right side
   6,790.69x = 35,675,057.15
5. Step 5: Solve for x
   x = 35,675,057.15/6,790.69
6. Step 6: Final answer
   x = 5,253.52