Finding the Fourth Proportional to 1,680, 2,318.46 and 1,016.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680 : 2,318.46 = 1,016.82 : x
2. Step 2: Convert to fraction form
   1,680/2,318.46 = 1,016.82/x
3. Step 3: Cross multiply
   1,680x = 2,318.46 × 1,016.82
4. Step 4: Simplify right side
   1,680x = 2,357,456.50
5. Step 5: Solve for x
   x = 2,357,456.50/1,680
6. Step 6: Final answer
   x = 1,403.25