Finding the Fourth Proportional to 3,774.69, 5,214.06 and 3,147.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,774.69 : 5,214.06 = 3,147.27 : x
2. Step 2: Convert to fraction form
   3,774.69/5,214.06 = 3,147.27/x
3. Step 3: Cross multiply
   3,774.69x = 5,214.06 × 3,147.27
4. Step 4: Simplify right side
   3,774.69x = 16,410,054.62
5. Step 5: Solve for x
   x = 16,410,054.62/3,774.69
6. Step 6: Final answer
   x = 4,347.39