Finding the Fourth Proportional to 2,281.62, 3,421.83 and 982.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.62 : 3,421.83 = 982.80 : x
2. Step 2: Convert to fraction form
   2,281.62/3,421.83 = 982.80/x
3. Step 3: Cross multiply
   2,281.62x = 3,421.83 × 982.80
4. Step 4: Simplify right side
   2,281.62x = 3,362,974.52
5. Step 5: Solve for x
   x = 3,362,974.52/2,281.62
6. Step 6: Final answer
   x = 1,473.94