Finding the Fourth Proportional to 23,315.25, 32,173.89 and 13,242.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,315.25 : 32,173.89 = 13,242.36 : x
2. Step 2: Convert to fraction form
   23,315.25/32,173.89 = 13,242.36/x
3. Step 3: Cross multiply
   23,315.25x = 32,173.89 × 13,242.36
4. Step 4: Simplify right side
   23,315.25x = 426,058,404.29
5. Step 5: Solve for x
   x = 426,058,404.29/23,315.25
6. Step 6: Final answer
   x = 18,273.81