Finding the Fourth Proportional to 29,222.31, 43,818.42 and 13,413.72

Step by Step Solution

1. Step 1: Write the proportion equation
   29,222.31 : 43,818.42 = 13,413.72 : x
2. Step 2: Convert to fraction form
   29,222.31/43,818.42 = 13,413.72/x
3. Step 3: Cross multiply
   29,222.31x = 43,818.42 × 13,413.72
4. Step 4: Simplify right side
   29,222.31x = 587,768,016.72
5. Step 5: Solve for x
   x = 587,768,016.72/29,222.31
6. Step 6: Final answer
   x = 20,113.67