Finding the Fourth Proportional to 31,413.09, 43,350.89 and 17,266.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,413.09 : 43,350.89 = 17,266.31 : x
2. Step 2: Convert to fraction form
   31,413.09/43,350.89 = 17,266.31/x
3. Step 3: Cross multiply
   31,413.09x = 43,350.89 × 17,266.31
4. Step 4: Simplify right side
   31,413.09x = 748,509,602.43
5. Step 5: Solve for x
   x = 748,509,602.43/31,413.09
6. Step 6: Final answer
   x = 23,827.95