Finding the Fourth Proportional to 1,435.49, 1,981.64 and 1,016.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.49 : 1,981.64 = 1,016.18 : x
2. Step 2: Convert to fraction form
   1,435.49/1,981.64 = 1,016.18/x
3. Step 3: Cross multiply
   1,435.49x = 1,981.64 × 1,016.18
4. Step 4: Simplify right side
   1,435.49x = 2,013,702.94
5. Step 5: Solve for x
   x = 2,013,702.94/1,435.49
6. Step 6: Final answer
   x = 1,402.80