Finding the Fourth Proportional to 41,721.69, 62,589.33 and 13,633.59

Step by Step Solution

1. Step 1: Write the proportion equation
   41,721.69 : 62,589.33 = 13,633.59 : x
2. Step 2: Convert to fraction form
   41,721.69/62,589.33 = 13,633.59/x
3. Step 3: Cross multiply
   41,721.69x = 62,589.33 × 13,633.59
4. Step 4: Simplify right side
   41,721.69x = 853,317,263.59
5. Step 5: Solve for x
   x = 853,317,263.59/41,721.69
6. Step 6: Final answer
   x = 20,452.61