Finding the Fourth Proportional to 9,719.06, 13,413.49 and 5,471.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.06 : 13,413.49 = 5,471.72 : x
2. Step 2: Convert to fraction form
   9,719.06/13,413.49 = 5,471.72/x
3. Step 3: Cross multiply
   9,719.06x = 13,413.49 × 5,471.72
4. Step 4: Simplify right side
   9,719.06x = 73,394,780.76
5. Step 5: Solve for x
   x = 73,394,780.76/9,719.06
6. Step 6: Final answer
   x = 7,551.63