Finding the Fourth Proportional to 2,567.05, 3,847.50 and 1,085.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.05 : 3,847.50 = 1,085.71 : x
2. Step 2: Convert to fraction form
   2,567.05/3,847.50 = 1,085.71/x
3. Step 3: Cross multiply
   2,567.05x = 3,847.50 × 1,085.71
4. Step 4: Simplify right side
   2,567.05x = 4,177,269.23
5. Step 5: Solve for x
   x = 4,177,269.23/2,567.05
6. Step 6: Final answer
   x = 1,627.26