Finding the Fourth Proportional to 2,153.36, 3,227.61 and 982.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.36 : 3,227.61 = 982.10 : x
2. Step 2: Convert to fraction form
   2,153.36/3,227.61 = 982.10/x
3. Step 3: Cross multiply
   2,153.36x = 3,227.61 × 982.10
4. Step 4: Simplify right side
   2,153.36x = 3,169,835.78
5. Step 5: Solve for x
   x = 3,169,835.78/2,153.36
6. Step 6: Final answer
   x = 1,472.04