Finding the Fourth Proportional to 3,738.28, 5,563.29 and 3,613.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738.28 : 5,563.29 = 3,613.70 : x
2. Step 2: Convert to fraction form
   3,738.28/5,563.29 = 3,613.70/x
3. Step 3: Cross multiply
   3,738.28x = 5,563.29 × 3,613.70
4. Step 4: Simplify right side
   3,738.28x = 20,104,074.98
5. Step 5: Solve for x
   x = 20,104,074.98/3,738.28
6. Step 6: Final answer
   x = 5,377.90