Finding the Fourth Proportional to 23,608.12, 32,578.84 and 12,997.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,608.12 : 32,578.84 = 12,997.48 : x
2. Step 2: Convert to fraction form
   23,608.12/32,578.84 = 12,997.48/x
3. Step 3: Cross multiply
   23,608.12x = 32,578.84 × 12,997.48
4. Step 4: Simplify right side
   23,608.12x = 423,442,821.32
5. Step 5: Solve for x
   x = 423,442,821.32/23,608.12
6. Step 6: Final answer
   x = 17,936.32