Finding the Fourth Proportional to 3,814.72, 5,706.26 and 3,581.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814.72 : 5,706.26 = 3,581.44 : x
2. Step 2: Convert to fraction form
   3,814.72/5,706.26 = 3,581.44/x
3. Step 3: Cross multiply
   3,814.72x = 5,706.26 × 3,581.44
4. Step 4: Simplify right side
   3,814.72x = 20,436,627.81
5. Step 5: Solve for x
   x = 20,436,627.81/3,814.72
6. Step 6: Final answer
   x = 5,357.31