Finding the Fourth Proportional to 10,443.61, 15,668.67 and 3,423.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.61 : 15,668.67 = 3,423.69 : x
2. Step 2: Convert to fraction form
   10,443.61/15,668.67 = 3,423.69/x
3. Step 3: Cross multiply
   10,443.61x = 15,668.67 × 3,423.69
4. Step 4: Simplify right side
   10,443.61x = 53,644,668.79
5. Step 5: Solve for x
   x = 53,644,668.79/10,443.61
6. Step 6: Final answer
   x = 5,136.60