Finding the Fourth Proportional to 41,902.09, 62,851.61 and 13,821.37

Step by Step Solution

1. Step 1: Write the proportion equation
   41,902.09 : 62,851.61 = 13,821.37 : x
2. Step 2: Convert to fraction form
   41,902.09/62,851.61 = 13,821.37/x
3. Step 3: Cross multiply
   41,902.09x = 62,851.61 × 13,821.37
4. Step 4: Simplify right side
   41,902.09x = 868,695,234.33
5. Step 5: Solve for x
   x = 868,695,234.33/41,902.09
6. Step 6: Final answer
   x = 20,731.55