Finding the Fourth Proportional to 10,578.35, 14,591.49 and 6,806.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,578.35 : 14,591.49 = 6,806.42 : x
2. Step 2: Convert to fraction form
   10,578.35/14,591.49 = 6,806.42/x
3. Step 3: Cross multiply
   10,578.35x = 14,591.49 × 6,806.42
4. Step 4: Simplify right side
   10,578.35x = 99,315,809.37
5. Step 5: Solve for x
   x = 99,315,809.37/10,578.35
6. Step 6: Final answer
   x = 9,388.59