Finding the Fourth Proportional to 81,411.38, 122,105.07 and 41,413.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,411.38 : 122,105.07 = 41,413.88 : x
2. Step 2: Convert to fraction form
   81,411.38/122,105.07 = 41,413.88/x
3. Step 3: Cross multiply
   81,411.38x = 122,105.07 × 41,413.88
4. Step 4: Simplify right side
   81,411.38x = 5,056,845,021.63
5. Step 5: Solve for x
   x = 5,056,845,021.63/81,411.38
6. Step 6: Final answer
   x = 62,114.72