Finding the Fourth Proportional to 9,668.42, 13,342.23 and 5,419.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,668.42 : 13,342.23 = 5,419.46 : x
2. Step 2: Convert to fraction form
   9,668.42/13,342.23 = 5,419.46/x
3. Step 3: Cross multiply
   9,668.42x = 13,342.23 × 5,419.46
4. Step 4: Simplify right side
   9,668.42x = 72,307,615.08
5. Step 5: Solve for x
   x = 72,307,615.08/9,668.42
6. Step 6: Final answer
   x = 7,478.75