Finding the Fourth Proportional to 2,933.28, 4,397.04 and 1,290.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.28 : 4,397.04 = 1,290.24 : x
2. Step 2: Convert to fraction form
   2,933.28/4,397.04 = 1,290.24/x
3. Step 3: Cross multiply
   2,933.28x = 4,397.04 × 1,290.24
4. Step 4: Simplify right side
   2,933.28x = 5,673,236.89
5. Step 5: Solve for x
   x = 5,673,236.89/2,933.28
6. Step 6: Final answer
   x = 1,934.09