Finding the Fourth Proportional to 2,355.82, 3,251.55 and 1,425.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.82 : 3,251.55 = 1,425.58 : x
2. Step 2: Convert to fraction form
   2,355.82/3,251.55 = 1,425.58/x
3. Step 3: Cross multiply
   2,355.82x = 3,251.55 × 1,425.58
4. Step 4: Simplify right side
   2,355.82x = 4,635,344.65
5. Step 5: Solve for x
   x = 4,635,344.65/2,355.82
6. Step 6: Final answer
   x = 1,967.61