Finding the Fourth Proportional to 33,272.57, 45,915.72 and 18,165.49

Step by Step Solution

1. Step 1: Write the proportion equation
   33,272.57 : 45,915.72 = 18,165.49 : x
2. Step 2: Convert to fraction form
   33,272.57/45,915.72 = 18,165.49/x
3. Step 3: Cross multiply
   33,272.57x = 45,915.72 × 18,165.49
4. Step 4: Simplify right side
   33,272.57x = 834,081,322.92
5. Step 5: Solve for x
   x = 834,081,322.92/33,272.57
6. Step 6: Final answer
   x = 25,068.14