Finding the Fourth Proportional to 16,443.78, 24,669.31 and 7,673.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.78 : 24,669.31 = 7,673.91 : x
2. Step 2: Convert to fraction form
   16,443.78/24,669.31 = 7,673.91/x
3. Step 3: Cross multiply
   16,443.78x = 24,669.31 × 7,673.91
4. Step 4: Simplify right side
   16,443.78x = 189,309,967.40
5. Step 5: Solve for x
   x = 189,309,967.40/16,443.78
6. Step 6: Final answer
   x = 11,512.56