Finding the Fourth Proportional to 2,581.57, 3,847.53 and 2,577.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.57 : 3,847.53 = 2,577.47 : x
2. Step 2: Convert to fraction form
   2,581.57/3,847.53 = 2,577.47/x
3. Step 3: Cross multiply
   2,581.57x = 3,847.53 × 2,577.47
4. Step 4: Simplify right side
   2,581.57x = 9,916,883.47
5. Step 5: Solve for x
   x = 9,916,883.47/2,581.57
6. Step 6: Final answer
   x = 3,841.41