Finding the Fourth Proportional to 3,914.66, 5,404.80 and 3,016.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.66 : 5,404.80 = 3,016.72 : x
2. Step 2: Convert to fraction form
   3,914.66/5,404.80 = 3,016.72/x
3. Step 3: Cross multiply
   3,914.66x = 5,404.80 × 3,016.72
4. Step 4: Simplify right side
   3,914.66x = 16,304,768.26
5. Step 5: Solve for x
   x = 16,304,768.26/3,914.66
6. Step 6: Final answer
   x = 4,165.05