Finding the Fourth Proportional to 12,394.50, 17,104.78 and 6,805.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,394.50 : 17,104.78 = 6,805.86 : x
2. Step 2: Convert to fraction form
   12,394.50/17,104.78 = 6,805.86/x
3. Step 3: Cross multiply
   12,394.50x = 17,104.78 × 6,805.86
4. Step 4: Simplify right side
   12,394.50x = 116,412,738.01
5. Step 5: Solve for x
   x = 116,412,738.01/12,394.50
6. Step 6: Final answer
   x = 9,392.29