Finding the Fourth Proportional to 10,992.82, 16,479.36 and 3,967.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,992.82 : 16,479.36 = 3,967.96 : x
2. Step 2: Convert to fraction form
   10,992.82/16,479.36 = 3,967.96/x
3. Step 3: Cross multiply
   10,992.82x = 16,479.36 × 3,967.96
4. Step 4: Simplify right side
   10,992.82x = 65,389,441.31
5. Step 5: Solve for x
   x = 65,389,441.31/10,992.82
6. Step 6: Final answer
   x = 5,948.38