Finding the Fourth Proportional to 33,105.50, 45,685.59 and 18,201.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.50 : 45,685.59 = 18,201.50 : x
2. Step 2: Convert to fraction form
   33,105.50/45,685.59 = 18,201.50/x
3. Step 3: Cross multiply
   33,105.50x = 45,685.59 × 18,201.50
4. Step 4: Simplify right side
   33,105.50x = 831,546,266.39
5. Step 5: Solve for x
   x = 831,546,266.39/33,105.50
6. Step 6: Final answer
   x = 25,118.07