Finding the Fourth Proportional to 3,759.34, 5,185.47 and 2,581.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,759.34 : 5,185.47 = 2,581.06 : x
2. Step 2: Convert to fraction form
   3,759.34/5,185.47 = 2,581.06/x
3. Step 3: Cross multiply
   3,759.34x = 5,185.47 × 2,581.06
4. Step 4: Simplify right side
   3,759.34x = 13,384,009.20
5. Step 5: Solve for x
   x = 13,384,009.20/3,759.34
6. Step 6: Final answer
   x = 3,560.20