Finding the Fourth Proportional to 17,745.40, 24,488.32 and 9,788.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,745.40 : 24,488.32 = 9,788.38 : x
2. Step 2: Convert to fraction form
   17,745.40/24,488.32 = 9,788.38/x
3. Step 3: Cross multiply
   17,745.40x = 24,488.32 × 9,788.38
4. Step 4: Simplify right side
   17,745.40x = 239,700,981.72
5. Step 5: Solve for x
   x = 239,700,981.72/17,745.40
6. Step 6: Final answer
   x = 13,507.78