Finding the Fourth Proportional to 3,855.42, 5,785.56 and 2,397.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855.42 : 5,785.56 = 2,397.42 : x
2. Step 2: Convert to fraction form
   3,855.42/5,785.56 = 2,397.42/x
3. Step 3: Cross multiply
   3,855.42x = 5,785.56 × 2,397.42
4. Step 4: Simplify right side
   3,855.42x = 13,870,417.26
5. Step 5: Solve for x
   x = 13,870,417.26/3,855.42
6. Step 6: Final answer
   x = 3,597.64