Finding the Fourth Proportional to 9,569.69, 13,206.98 and 5,321.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,569.69 : 13,206.98 = 5,321.57 : x
2. Step 2: Convert to fraction form
   9,569.69/13,206.98 = 5,321.57/x
3. Step 3: Cross multiply
   9,569.69x = 13,206.98 × 5,321.57
4. Step 4: Simplify right side
   9,569.69x = 70,281,914.88
5. Step 5: Solve for x
   x = 70,281,914.88/9,569.69
6. Step 6: Final answer
   x = 7,344.22