Finding the Fourth Proportional to 2,216.53, 3,322.52 and 982.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.53 : 3,322.52 = 982.70 : x
2. Step 2: Convert to fraction form
   2,216.53/3,322.52 = 982.70/x
3. Step 3: Cross multiply
   2,216.53x = 3,322.52 × 982.70
4. Step 4: Simplify right side
   2,216.53x = 3,265,035.02
5. Step 5: Solve for x
   x = 3,265,035.02/2,216.53
6. Step 6: Final answer
   x = 1,473.04