Finding the Fourth Proportional to 9,570.96, 13,208.04 and 5,379.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570.96 : 13,208.04 = 5,379.12 : x
2. Step 2: Convert to fraction form
   9,570.96/13,208.04 = 5,379.12/x
3. Step 3: Cross multiply
   9,570.96x = 13,208.04 × 5,379.12
4. Step 4: Simplify right side
   9,570.96x = 71,047,632.12
5. Step 5: Solve for x
   x = 71,047,632.12/9,570.96
6. Step 6: Final answer
   x = 7,423.25