Finding the Fourth Proportional to 8,443.68, 12,646.49 and 4,064.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.68 : 12,646.49 = 4,064.42 : x
2. Step 2: Convert to fraction form
   8,443.68/12,646.49 = 4,064.42/x
3. Step 3: Cross multiply
   8,443.68x = 12,646.49 × 4,064.42
4. Step 4: Simplify right side
   8,443.68x = 51,400,563.33
5. Step 5: Solve for x
   x = 51,400,563.33/8,443.68
6. Step 6: Final answer
   x = 6,087.46