Finding the Fourth Proportional to 8,393.33, 12,578.65 and 3,196.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,393.33 : 12,578.65 = 3,196.37 : x
2. Step 2: Convert to fraction form
   8,393.33/12,578.65 = 3,196.37/x
3. Step 3: Cross multiply
   8,393.33x = 12,578.65 × 3,196.37
4. Step 4: Simplify right side
   8,393.33x = 40,206,019.50
5. Step 5: Solve for x
   x = 40,206,019.50/8,393.33
6. Step 6: Final answer
   x = 4,790.23