Finding the Fourth Proportional to 33,190.72, 45,801.12 and 18,286.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,190.72 : 45,801.12 = 18,286.72 : x
2. Step 2: Convert to fraction form
   33,190.72/45,801.12 = 18,286.72/x
3. Step 3: Cross multiply
   33,190.72x = 45,801.12 × 18,286.72
4. Step 4: Simplify right side
   33,190.72x = 837,552,257.13
5. Step 5: Solve for x
   x = 837,552,257.13/33,190.72
6. Step 6: Final answer
   x = 25,234.53