Finding the Fourth Proportional to 6,911.47, 9,537.83 and 3,927.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,911.47 : 9,537.83 = 3,927.31 : x
2. Step 2: Convert to fraction form
   6,911.47/9,537.83 = 3,927.31/x
3. Step 3: Cross multiply
   6,911.47x = 9,537.83 × 3,927.31
4. Step 4: Simplify right side
   6,911.47x = 37,458,015.14
5. Step 5: Solve for x
   x = 37,458,015.14/6,911.47
6. Step 6: Final answer
   x = 5,419.69