Finding the Fourth Proportional to 2,933.33, 4,398.42 and 1,287.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.33 : 4,398.42 = 1,287.95 : x
2. Step 2: Convert to fraction form
   2,933.33/4,398.42 = 1,287.95/x
3. Step 3: Cross multiply
   2,933.33x = 4,398.42 × 1,287.95
4. Step 4: Simplify right side
   2,933.33x = 5,664,945.04
5. Step 5: Solve for x
   x = 5,664,945.04/2,933.33
6. Step 6: Final answer
   x = 1,931.23