Finding the Fourth Proportional to 2,216.04, 3,322.17 and 982.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.04 : 3,322.17 = 982.78 : x
2. Step 2: Convert to fraction form
   2,216.04/3,322.17 = 982.78/x
3. Step 3: Cross multiply
   2,216.04x = 3,322.17 × 982.78
4. Step 4: Simplify right side
   2,216.04x = 3,264,962.23
5. Step 5: Solve for x
   x = 3,264,962.23/2,216.04
6. Step 6: Final answer
   x = 1,473.33