Finding the Fourth Proportional to 1,464.04, 2,020.82 and 998.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.04 : 2,020.82 = 998.56 : x
2. Step 2: Convert to fraction form
   1,464.04/2,020.82 = 998.56/x
3. Step 3: Cross multiply
   1,464.04x = 2,020.82 × 998.56
4. Step 4: Simplify right side
   1,464.04x = 2,017,910.02
5. Step 5: Solve for x
   x = 2,017,910.02/1,464.04
6. Step 6: Final answer
   x = 1,378.32