Finding the Fourth Proportional to 39,404.47, 54,377.89 and 22,408.71

Step by Step Solution

1. Step 1: Write the proportion equation
   39,404.47 : 54,377.89 = 22,408.71 : x
2. Step 2: Convert to fraction form
   39,404.47/54,377.89 = 22,408.71/x
3. Step 3: Cross multiply
   39,404.47x = 54,377.89 × 22,408.71
4. Step 4: Simplify right side
   39,404.47x = 1,218,538,367.42
5. Step 5: Solve for x
   x = 1,218,538,367.42/39,404.47
6. Step 6: Final answer
   x = 30,923.86