Finding the Fourth Proportional to 17,086.78, 23,544.76 and 12,603.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,086.78 : 23,544.76 = 12,603.43 : x
2. Step 2: Convert to fraction form
   17,086.78/23,544.76 = 12,603.43/x
3. Step 3: Cross multiply
   17,086.78x = 23,544.76 × 12,603.43
4. Step 4: Simplify right side
   17,086.78x = 296,744,734.53
5. Step 5: Solve for x
   x = 296,744,734.53/17,086.78
6. Step 6: Final answer
   x = 17,366.92