Finding the Fourth Proportional to 11,321.83, 16,965.42 and 4,744.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,321.83 : 16,965.42 = 4,744.42 : x
2. Step 2: Convert to fraction form
   11,321.83/16,965.42 = 4,744.42/x
3. Step 3: Cross multiply
   11,321.83x = 16,965.42 × 4,744.42
4. Step 4: Simplify right side
   11,321.83x = 80,491,153.21
5. Step 5: Solve for x
   x = 80,491,153.21/11,321.83
6. Step 6: Final answer
   x = 7,109.38