Finding the Fourth Proportional to 73,488.89, 110,221.53 and 20,168.41

Step by Step Solution

1. Step 1: Write the proportion equation
   73,488.89 : 110,221.53 = 20,168.41 : x
2. Step 2: Convert to fraction form
   73,488.89/110,221.53 = 20,168.41/x
3. Step 3: Cross multiply
   73,488.89x = 110,221.53 × 20,168.41
4. Step 4: Simplify right side
   73,488.89x = 2,222,992,907.03
5. Step 5: Solve for x
   x = 2,222,992,907.03/73,488.89
6. Step 6: Final answer
   x = 30,249.37