Finding the Fourth Proportional to 33,142.48, 45,735.72 and 18,238.48

Step by Step Solution

1. Step 1: Write the proportion equation
   33,142.48 : 45,735.72 = 18,238.48 : x
2. Step 2: Convert to fraction form
   33,142.48/45,735.72 = 18,238.48/x
3. Step 3: Cross multiply
   33,142.48x = 45,735.72 × 18,238.48
4. Step 4: Simplify right side
   33,142.48x = 834,150,014.51
5. Step 5: Solve for x
   x = 834,150,014.51/33,142.48
6. Step 6: Final answer
   x = 25,168.61