Finding the Fourth Proportional to 34,413.75, 47,498.81 and 20,271.15

Step by Step Solution

1. Step 1: Write the proportion equation
   34,413.75 : 47,498.81 = 20,271.15 : x
2. Step 2: Convert to fraction form
   34,413.75/47,498.81 = 20,271.15/x
3. Step 3: Cross multiply
   34,413.75x = 47,498.81 × 20,271.15
4. Step 4: Simplify right side
   34,413.75x = 962,855,400.98
5. Step 5: Solve for x
   x = 962,855,400.98/34,413.75
6. Step 6: Final answer
   x = 27,978.80