Finding the Fourth Proportional to 17,105.78, 23,603.89 and 9,552.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,105.78 : 23,603.89 = 9,552.53 : x
2. Step 2: Convert to fraction form
   17,105.78/23,603.89 = 9,552.53/x
3. Step 3: Cross multiply
   17,105.78x = 23,603.89 × 9,552.53
4. Step 4: Simplify right side
   17,105.78x = 225,476,867.34
5. Step 5: Solve for x
   x = 225,476,867.34/17,105.78
6. Step 6: Final answer
   x = 13,181.33