Finding the Fourth Proportional to 9,569.39, 13,205.78 and 5,320.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,569.39 : 13,205.78 = 5,320.33 : x
2. Step 2: Convert to fraction form
   9,569.39/13,205.78 = 5,320.33/x
3. Step 3: Cross multiply
   9,569.39x = 13,205.78 × 5,320.33
4. Step 4: Simplify right side
   9,569.39x = 70,259,172.05
5. Step 5: Solve for x
   x = 70,259,172.05/9,569.39
6. Step 6: Final answer
   x = 7,342.07