Finding the Fourth Proportional to 9,112.33, 12,571.36 and 5,569.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.33 : 12,571.36 = 5,569.39 : x
2. Step 2: Convert to fraction form
   9,112.33/12,571.36 = 5,569.39/x
3. Step 3: Cross multiply
   9,112.33x = 12,571.36 × 5,569.39
4. Step 4: Simplify right side
   9,112.33x = 70,014,806.67
5. Step 5: Solve for x
   x = 70,014,806.67/9,112.33
6. Step 6: Final answer
   x = 7,683.52