Finding the Fourth Proportional to 9,564.14, 13,198.41 and 5,372.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,564.14 : 13,198.41 = 5,372.39 : x
2. Step 2: Convert to fraction form
   9,564.14/13,198.41 = 5,372.39/x
3. Step 3: Cross multiply
   9,564.14x = 13,198.41 × 5,372.39
4. Step 4: Simplify right side
   9,564.14x = 70,907,038.90
5. Step 5: Solve for x
   x = 70,907,038.90/9,564.14
6. Step 6: Final answer
   x = 7,413.84