Finding the Fourth Proportional to 16,448.83, 24,676.89 and 7,678.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,448.83 : 24,676.89 = 7,678.96 : x
2. Step 2: Convert to fraction form
   16,448.83/24,676.89 = 7,678.96/x
3. Step 3: Cross multiply
   16,448.83x = 24,676.89 × 7,678.96
4. Step 4: Simplify right side
   16,448.83x = 189,492,851.23
5. Step 5: Solve for x
   x = 189,492,851.23/16,448.83
6. Step 6: Final answer
   x = 11,520.14