Finding the Fourth Proportional to 9,719.51, 13,413.65 and 5,471.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.51 : 13,413.65 = 5,471.27 : x
2. Step 2: Convert to fraction form
   9,719.51/13,413.65 = 5,471.27/x
3. Step 3: Cross multiply
   9,719.51x = 13,413.65 × 5,471.27
4. Step 4: Simplify right side
   9,719.51x = 73,389,606.41
5. Step 5: Solve for x
   x = 73,389,606.41/9,719.51
6. Step 6: Final answer
   x = 7,550.76