Finding the Fourth Proportional to 12,395.50, 17,105.91 and 6,806.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,395.50 : 17,105.91 = 6,806.62 : x
2. Step 2: Convert to fraction form
   12,395.50/17,105.91 = 6,806.62/x
3. Step 3: Cross multiply
   12,395.50x = 17,105.91 × 6,806.62
4. Step 4: Simplify right side
   12,395.50x = 116,433,429.12
5. Step 5: Solve for x
   x = 116,433,429.12/12,395.50
6. Step 6: Final answer
   x = 9,393.20