Finding the Fourth Proportional to 33,142, 45,735.96 and 18,238

Step by Step Solution

1. Step 1: Write the proportion equation
   33,142 : 45,735.96 = 18,238 : x
2. Step 2: Convert to fraction form
   33,142/45,735.96 = 18,238/x
3. Step 3: Cross multiply
   33,142x = 45,735.96 × 18,238
4. Step 4: Simplify right side
   33,142x = 834,132,438.48
5. Step 5: Solve for x
   x = 834,132,438.48/33,142
6. Step 6: Final answer
   x = 25,168.44