Finding the Fourth Proportional to 10,444.71, 14,413.43 and 5,728.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,444.71 : 14,413.43 = 5,728.70 : x
2. Step 2: Convert to fraction form
   10,444.71/14,413.43 = 5,728.70/x
3. Step 3: Cross multiply
   10,444.71x = 14,413.43 × 5,728.70
4. Step 4: Simplify right side
   10,444.71x = 82,570,115.73
5. Step 5: Solve for x
   x = 82,570,115.73/10,444.71
6. Step 6: Final answer
   x = 7,905.45