Finding the Fourth Proportional to 43,456.39, 65,168.17 and 20,066.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,456.39 : 65,168.17 = 20,066.42 : x
2. Step 2: Convert to fraction form
   43,456.39/65,168.17 = 20,066.42/x
3. Step 3: Cross multiply
   43,456.39x = 65,168.17 × 20,066.42
4. Step 4: Simplify right side
   43,456.39x = 1,307,691,982.61
5. Step 5: Solve for x
   x = 1,307,691,982.61/43,456.39
6. Step 6: Final answer
   x = 30,092.05