Finding the Fourth Proportional to 23,469.75, 32,387.90 and 13,404.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,469.75 : 32,387.90 = 13,404.06 : x
2. Step 2: Convert to fraction form
   23,469.75/32,387.90 = 13,404.06/x
3. Step 3: Cross multiply
   23,469.75x = 32,387.90 × 13,404.06
4. Step 4: Simplify right side
   23,469.75x = 434,129,287.85
5. Step 5: Solve for x
   x = 434,129,287.85/23,469.75
6. Step 6: Final answer
   x = 18,497.40