Finding the Fourth Proportional to 11,786.08, 17,682 and 3,994.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,786.08 : 17,682 = 3,994.96 : x
2. Step 2: Convert to fraction form
   11,786.08/17,682 = 3,994.96/x
3. Step 3: Cross multiply
   11,786.08x = 17,682 × 3,994.96
4. Step 4: Simplify right side
   11,786.08x = 70,638,882.72
5. Step 5: Solve for x
   x = 70,638,882.72/11,786.08
6. Step 6: Final answer
   x = 5,993.42