Finding the Fourth Proportional to 9,668.48, 13,342.55 and 5,419.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,668.48 : 13,342.55 = 5,419.62 : x
2. Step 2: Convert to fraction form
   9,668.48/13,342.55 = 5,419.62/x
3. Step 3: Cross multiply
   9,668.48x = 13,342.55 × 5,419.62
4. Step 4: Simplify right side
   9,668.48x = 72,311,523.73
5. Step 5: Solve for x
   x = 72,311,523.73/9,668.48
6. Step 6: Final answer
   x = 7,479.10