Finding the Fourth Proportional to 2,215.95, 3,322.38 and 982.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.95 : 3,322.38 = 982.71 : x
2. Step 2: Convert to fraction form
   2,215.95/3,322.38 = 982.71/x
3. Step 3: Cross multiply
   2,215.95x = 3,322.38 × 982.71
4. Step 4: Simplify right side
   2,215.95x = 3,264,936.05
5. Step 5: Solve for x
   x = 3,264,936.05/2,215.95
6. Step 6: Final answer
   x = 1,473.38