Finding the Fourth Proportional to 3,858.53, 5,322.82 and 2,439.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,858.53 : 5,322.82 = 2,439.83 : x
2. Step 2: Convert to fraction form
   3,858.53/5,322.82 = 2,439.83/x
3. Step 3: Cross multiply
   3,858.53x = 5,322.82 × 2,439.83
4. Step 4: Simplify right side
   3,858.53x = 12,986,772.73
5. Step 5: Solve for x
   x = 12,986,772.73/3,858.53
6. Step 6: Final answer
   x = 3,365.73