Finding the Fourth Proportional to 3,762.53, 5,189.71 and 2,581.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,762.53 : 5,189.71 = 2,581.55 : x
2. Step 2: Convert to fraction form
   3,762.53/5,189.71 = 2,581.55/x
3. Step 3: Cross multiply
   3,762.53x = 5,189.71 × 2,581.55
4. Step 4: Simplify right side
   3,762.53x = 13,397,495.85
5. Step 5: Solve for x
   x = 13,397,495.85/3,762.53
6. Step 6: Final answer
   x = 3,560.77