Finding the Fourth Proportional to 11,255.69, 16,871.99 and 4,234.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,255.69 : 16,871.99 = 4,234.43 : x
2. Step 2: Convert to fraction form
   11,255.69/16,871.99 = 4,234.43/x
3. Step 3: Cross multiply
   11,255.69x = 16,871.99 × 4,234.43
4. Step 4: Simplify right side
   11,255.69x = 71,443,155.08
5. Step 5: Solve for x
   x = 71,443,155.08/11,255.69
6. Step 6: Final answer
   x = 6,347.30