Finding the Fourth Proportional to 30,734.76, 42,413.40 and 17,305.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,734.76 : 42,413.40 = 17,305.96 : x
2. Step 2: Convert to fraction form
   30,734.76/42,413.40 = 17,305.96/x
3. Step 3: Cross multiply
   30,734.76x = 42,413.40 × 17,305.96
4. Step 4: Simplify right side
   30,734.76x = 734,004,603.86
5. Step 5: Solve for x
   x = 734,004,603.86/30,734.76
6. Step 6: Final answer
   x = 23,881.90