Finding the Fourth Proportional to 23,270.10, 32,112.24 and 12,660

Step by Step Solution

1. Step 1: Write the proportion equation
   23,270.10 : 32,112.24 = 12,660 : x
2. Step 2: Convert to fraction form
   23,270.10/32,112.24 = 12,660/x
3. Step 3: Cross multiply
   23,270.10x = 32,112.24 × 12,660
4. Step 4: Simplify right side
   23,270.10x = 406,540,958.40
5. Step 5: Solve for x
   x = 406,540,958.40/23,270.10
6. Step 6: Final answer
   x = 17,470.53