Finding the Fourth Proportional to 33,105.38, 45,685.42 and 18,201.38

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.38 : 45,685.42 = 18,201.38 : x
2. Step 2: Convert to fraction form
   33,105.38/45,685.42 = 18,201.38/x
3. Step 3: Cross multiply
   33,105.38x = 45,685.42 × 18,201.38
4. Step 4: Simplify right side
   33,105.38x = 831,537,415.95
5. Step 5: Solve for x
   x = 831,537,415.95/33,105.38
6. Step 6: Final answer
   x = 25,117.90