Finding the Fourth Proportional to 23,629.69, 32,609.07 and 13,019.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,629.69 : 32,609.07 = 13,019.09 : x
2. Step 2: Convert to fraction form
   23,629.69/32,609.07 = 13,019.09/x
3. Step 3: Cross multiply
   23,629.69x = 32,609.07 × 13,019.09
4. Step 4: Simplify right side
   23,629.69x = 424,540,417.15
5. Step 5: Solve for x
   x = 424,540,417.15/23,629.69
6. Step 6: Final answer
   x = 17,966.40