Finding the Fourth Proportional to 1,644.42, 2,268.56 and 1,084.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644.42 : 2,268.56 = 1,084.18 : x
2. Step 2: Convert to fraction form
   1,644.42/2,268.56 = 1,084.18/x
3. Step 3: Cross multiply
   1,644.42x = 2,268.56 × 1,084.18
4. Step 4: Simplify right side
   1,644.42x = 2,459,527.38
5. Step 5: Solve for x
   x = 2,459,527.38/1,644.42
6. Step 6: Final answer
   x = 1,495.68