Finding the Fourth Proportional to 23,629.86, 32,609.31 and 13,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,629.86 : 32,609.31 = 13,019.50 : x
2. Step 2: Convert to fraction form
   23,629.86/32,609.31 = 13,019.50/x
3. Step 3: Cross multiply
   23,629.86x = 32,609.31 × 13,019.50
4. Step 4: Simplify right side
   23,629.86x = 424,556,878.84
5. Step 5: Solve for x
   x = 424,556,878.84/23,629.86
6. Step 6: Final answer
   x = 17,966.96