Finding the Fourth Proportional to 7,022.82, 9,691.72 and 3,879.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,022.82 : 9,691.72 = 3,879.06 : x
2. Step 2: Convert to fraction form
   7,022.82/9,691.72 = 3,879.06/x
3. Step 3: Cross multiply
   7,022.82x = 9,691.72 × 3,879.06
4. Step 4: Simplify right side
   7,022.82x = 37,594,763.38
5. Step 5: Solve for x
   x = 37,594,763.38/7,022.82
6. Step 6: Final answer
   x = 5,353.23