Finding the Fourth Proportional to 6,928.69, 9,561.13 and 3,944.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,928.69 : 9,561.13 = 3,944.83 : x
2. Step 2: Convert to fraction form
   6,928.69/9,561.13 = 3,944.83/x
3. Step 3: Cross multiply
   6,928.69x = 9,561.13 × 3,944.83
4. Step 4: Simplify right side
   6,928.69x = 37,717,032.46
5. Step 5: Solve for x
   x = 37,717,032.46/6,928.69
6. Step 6: Final answer
   x = 5,443.60