Finding the Fourth Proportional to 3,776.28, 5,633.56 and 3,674.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.28 : 5,633.56 = 3,674.49 : x
2. Step 2: Convert to fraction form
   3,776.28/5,633.56 = 3,674.49/x
3. Step 3: Cross multiply
   3,776.28x = 5,633.56 × 3,674.49
4. Step 4: Simplify right side
   3,776.28x = 20,700,459.88
5. Step 5: Solve for x
   x = 20,700,459.88/3,776.28
6. Step 6: Final answer
   x = 5,481.71