Finding the Fourth Proportional to 11,996.72, 17,994.42 and 3,676.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,996.72 : 17,994.42 = 3,676.76 : x
2. Step 2: Convert to fraction form
   11,996.72/17,994.42 = 3,676.76/x
3. Step 3: Cross multiply
   11,996.72x = 17,994.42 × 3,676.76
4. Step 4: Simplify right side
   11,996.72x = 66,161,163.68
5. Step 5: Solve for x
   x = 66,161,163.68/11,996.72
6. Step 6: Final answer
   x = 5,514.94