Finding the Fourth Proportional to 23,788.49, 35,676.86 and 7,994.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,788.49 : 35,676.86 = 7,994.09 : x
2. Step 2: Convert to fraction form
   23,788.49/35,676.86 = 7,994.09/x
3. Step 3: Cross multiply
   23,788.49x = 35,676.86 × 7,994.09
4. Step 4: Simplify right side
   23,788.49x = 285,204,078.98
5. Step 5: Solve for x
   x = 285,204,078.98/23,788.49
6. Step 6: Final answer
   x = 11,989.17