Finding the Fourth Proportional to 23,231.67, 32,059.67 and 12,621.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,231.67 : 32,059.67 = 12,621.23 : x
2. Step 2: Convert to fraction form
   23,231.67/32,059.67 = 12,621.23/x
3. Step 3: Cross multiply
   23,231.67x = 32,059.67 × 12,621.23
4. Step 4: Simplify right side
   23,231.67x = 404,632,468.79
5. Step 5: Solve for x
   x = 404,632,468.79/23,231.67
6. Step 6: Final answer
   x = 17,417.28