Finding the Fourth Proportional to 2,965.43, 4,448.69 and 1,017.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,965.43 : 4,448.69 = 1,017.20 : x
2. Step 2: Convert to fraction form
   2,965.43/4,448.69 = 1,017.20/x
3. Step 3: Cross multiply
   2,965.43x = 4,448.69 × 1,017.20
4. Step 4: Simplify right side
   2,965.43x = 4,525,207.47
5. Step 5: Solve for x
   x = 4,525,207.47/2,965.43
6. Step 6: Final answer
   x = 1,525.99