Finding the Fourth Proportional to 1,635.33, 2,450.52 and 855.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.33 : 2,450.52 = 855.54 : x
2. Step 2: Convert to fraction form
   1,635.33/2,450.52 = 855.54/x
3. Step 3: Cross multiply
   1,635.33x = 2,450.52 × 855.54
4. Step 4: Simplify right side
   1,635.33x = 2,096,517.88
5. Step 5: Solve for x
   x = 2,096,517.88/1,635.33
6. Step 6: Final answer
   x = 1,282.02