Finding the Fourth Proportional to 33,009.50, 45,553.11 and 18,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,009.50 : 45,553.11 = 18,105.50 : x
2. Step 2: Convert to fraction form
   33,009.50/45,553.11 = 18,105.50/x
3. Step 3: Cross multiply
   33,009.50x = 45,553.11 × 18,105.50
4. Step 4: Simplify right side
   33,009.50x = 824,761,833.11
5. Step 5: Solve for x
   x = 824,761,833.11/33,009.50
6. Step 6: Final answer
   x = 24,985.59