Finding the Fourth Proportional to 1,016.39, 1,514.60 and 983.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.39 : 1,514.60 = 983.36 : x
2. Step 2: Convert to fraction form
   1,016.39/1,514.60 = 983.36/x
3. Step 3: Cross multiply
   1,016.39x = 1,514.60 × 983.36
4. Step 4: Simplify right side
   1,016.39x = 1,489,384.57
5. Step 5: Solve for x
   x = 1,489,384.57/1,016.39
6. Step 6: Final answer
   x = 1,465.37