Finding the Fourth Proportional to 10,676.69, 16,012.27 and 3,178.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,676.69 : 16,012.27 = 3,178.49 : x
2. Step 2: Convert to fraction form
   10,676.69/16,012.27 = 3,178.49/x
3. Step 3: Cross multiply
   10,676.69x = 16,012.27 × 3,178.49
4. Step 4: Simplify right side
   10,676.69x = 50,894,840.07
5. Step 5: Solve for x
   x = 50,894,840.07/10,676.69
6. Step 6: Final answer
   x = 4,766.91