Finding the Fourth Proportional to 6,443.89, 9,664.67 and 2,933.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.89 : 9,664.67 = 2,933.06 : x
2. Step 2: Convert to fraction form
   6,443.89/9,664.67 = 2,933.06/x
3. Step 3: Cross multiply
   6,443.89x = 9,664.67 × 2,933.06
4. Step 4: Simplify right side
   6,443.89x = 28,347,016.00
5. Step 5: Solve for x
   x = 28,347,016.00/6,443.89
6. Step 6: Final answer
   x = 4,399.06