Finding the Fourth Proportional to 2,581.56, 3,869.82 and 2,353.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.56 : 3,869.82 = 2,353.32 : x
2. Step 2: Convert to fraction form
   2,581.56/3,869.82 = 2,353.32/x
3. Step 3: Cross multiply
   2,581.56x = 3,869.82 × 2,353.32
4. Step 4: Simplify right side
   2,581.56x = 9,106,924.80
5. Step 5: Solve for x
   x = 9,106,924.80/2,581.56
6. Step 6: Final answer
   x = 3,527.68