Finding the Fourth Proportional to 12,605.50, 17,395.59 and 7,016.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,605.50 : 17,395.59 = 7,016.38 : x
2. Step 2: Convert to fraction form
   12,605.50/17,395.59 = 7,016.38/x
3. Step 3: Cross multiply
   12,605.50x = 17,395.59 × 7,016.38
4. Step 4: Simplify right side
   12,605.50x = 122,054,069.76
5. Step 5: Solve for x
   x = 122,054,069.76/12,605.50
6. Step 6: Final answer
   x = 9,682.60