Finding the Fourth Proportional to 33,022.50, 45,571.08 and 18,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,022.50 : 45,571.08 = 18,118.50 : x
2. Step 2: Convert to fraction form
   33,022.50/45,571.08 = 18,118.50/x
3. Step 3: Cross multiply
   33,022.50x = 45,571.08 × 18,118.50
4. Step 4: Simplify right side
   33,022.50x = 825,679,612.98
5. Step 5: Solve for x
   x = 825,679,612.98/33,022.50
6. Step 6: Final answer
   x = 25,003.55