Finding the Fourth Proportional to 1,436.49, 1,983.02 and 1,017.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.49 : 1,983.02 = 1,017.18 : x
2. Step 2: Convert to fraction form
   1,436.49/1,983.02 = 1,017.18/x
3. Step 3: Cross multiply
   1,436.49x = 1,983.02 × 1,017.18
4. Step 4: Simplify right side
   1,436.49x = 2,017,088.28
5. Step 5: Solve for x
   x = 2,017,088.28/1,436.49
6. Step 6: Final answer
   x = 1,404.18