Finding the Fourth Proportional to 7,001.92, 9,662.66 and 3,858.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,001.92 : 9,662.66 = 3,858.09 : x
2. Step 2: Convert to fraction form
   7,001.92/9,662.66 = 3,858.09/x
3. Step 3: Cross multiply
   7,001.92x = 9,662.66 × 3,858.09
4. Step 4: Simplify right side
   7,001.92x = 37,279,411.92
5. Step 5: Solve for x
   x = 37,279,411.92/7,001.92
6. Step 6: Final answer
   x = 5,324.17