Finding the Fourth Proportional to 11,911.82, 16,441.71 and 7,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,911.82 : 16,441.71 = 7,196.42 : x
2. Step 2: Convert to fraction form
   11,911.82/16,441.71 = 7,196.42/x
3. Step 3: Cross multiply
   11,911.82x = 16,441.71 × 7,196.42
4. Step 4: Simplify right side
   11,911.82x = 118,321,450.68
5. Step 5: Solve for x
   x = 118,321,450.68/11,911.82
6. Step 6: Final answer
   x = 9,933.11