Finding the Fourth Proportional to 6,932.22, 9,564.06 and 3,947.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,932.22 : 9,564.06 = 3,947.28 : x
2. Step 2: Convert to fraction form
   6,932.22/9,564.06 = 3,947.28/x
3. Step 3: Cross multiply
   6,932.22x = 9,564.06 × 3,947.28
4. Step 4: Simplify right side
   6,932.22x = 37,752,022.76
5. Step 5: Solve for x
   x = 37,752,022.76/6,932.22
6. Step 6: Final answer
   x = 5,445.88