Finding the Fourth Proportional to 23,629.68, 32,608.78 and 13,019.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,629.68 : 32,608.78 = 13,019.08 : x
2. Step 2: Convert to fraction form
   23,629.68/32,608.78 = 13,019.08/x
3. Step 3: Cross multiply
   23,629.68x = 32,608.78 × 13,019.08
4. Step 4: Simplify right side
   23,629.68x = 424,536,315.52
5. Step 5: Solve for x
   x = 424,536,315.52/23,629.68
6. Step 6: Final answer
   x = 17,966.23