Finding the Fourth Proportional to 6,969.35, 9,617.90 and 3,944.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,969.35 : 9,617.90 = 3,944.25 : x
2. Step 2: Convert to fraction form
   6,969.35/9,617.90 = 3,944.25/x
3. Step 3: Cross multiply
   6,969.35x = 9,617.90 × 3,944.25
4. Step 4: Simplify right side
   6,969.35x = 37,935,382.35
5. Step 5: Solve for x
   x = 37,935,382.35/6,969.35
6. Step 6: Final answer
   x = 5,443.17