Finding the Fourth Proportional to 17,535.72, 24,199.79 and 9,578.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,535.72 : 24,199.79 = 9,578.06 : x
2. Step 2: Convert to fraction form
   17,535.72/24,199.79 = 9,578.06/x
3. Step 3: Cross multiply
   17,535.72x = 24,199.79 × 9,578.06
4. Step 4: Simplify right side
   17,535.72x = 231,786,871.72
5. Step 5: Solve for x
   x = 231,786,871.72/17,535.72
6. Step 6: Final answer
   x = 13,217.98