Finding the Fourth Proportional to 1,659.82, 2,486.47 and 965.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.82 : 2,486.47 = 965.03 : x
2. Step 2: Convert to fraction form
   1,659.82/2,486.47 = 965.03/x
3. Step 3: Cross multiply
   1,659.82x = 2,486.47 × 965.03
4. Step 4: Simplify right side
   1,659.82x = 2,399,514.43
5. Step 5: Solve for x
   x = 2,399,514.43/1,659.82
6. Step 6: Final answer
   x = 1,445.65