Finding the Fourth Proportional to 17,086.40, 23,544.24 and 12,603.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,086.40 : 23,544.24 = 12,603.06 : x
2. Step 2: Convert to fraction form
   17,086.40/23,544.24 = 12,603.06/x
3. Step 3: Cross multiply
   17,086.40x = 23,544.24 × 12,603.06
4. Step 4: Simplify right side
   17,086.40x = 296,729,469.37
5. Step 5: Solve for x
   x = 296,729,469.37/17,086.40
6. Step 6: Final answer
   x = 17,366.41