Finding the Fourth Proportional to 9,571.37, 13,208.37 and 5,379.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,571.37 : 13,208.37 = 5,379.62 : x
2. Step 2: Convert to fraction form
   9,571.37/13,208.37 = 5,379.62/x
3. Step 3: Cross multiply
   9,571.37x = 13,208.37 × 5,379.62
4. Step 4: Simplify right side
   9,571.37x = 71,055,925.20
5. Step 5: Solve for x
   x = 71,055,925.20/9,571.37
6. Step 6: Final answer
   x = 7,423.80