Finding the Fourth Proportional to 23,609.33, 32,578.17 and 13,535

Step by Step Solution

1. Step 1: Write the proportion equation
   23,609.33 : 32,578.17 = 13,535 : x
2. Step 2: Convert to fraction form
   23,609.33/32,578.17 = 13,535/x
3. Step 3: Cross multiply
   23,609.33x = 32,578.17 × 13,535
4. Step 4: Simplify right side
   23,609.33x = 440,945,530.95
5. Step 5: Solve for x
   x = 440,945,530.95/23,609.33
6. Step 6: Final answer
   x = 18,676.75