Finding the Fourth Proportional to 23,578.43, 32,538.72 and 12,968.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,578.43 : 32,538.72 = 12,968.03 : x
2. Step 2: Convert to fraction form
   23,578.43/32,538.72 = 12,968.03/x
3. Step 3: Cross multiply
   23,578.43x = 32,538.72 × 12,968.03
4. Step 4: Simplify right side
   23,578.43x = 421,963,097.12
5. Step 5: Solve for x
   x = 421,963,097.12/23,578.43
6. Step 6: Final answer
   x = 17,896.15