Finding the Fourth Proportional to 31,458.43, 43,413.33 and 17,311.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,458.43 : 43,413.33 = 17,311.24 : x
2. Step 2: Convert to fraction form
   31,458.43/43,413.33 = 17,311.24/x
3. Step 3: Cross multiply
   31,458.43x = 43,413.33 × 17,311.24
4. Step 4: Simplify right side
   31,458.43x = 751,538,574.83
5. Step 5: Solve for x
   x = 751,538,574.83/31,458.43
6. Step 6: Final answer
   x = 23,889.89