Finding the Fourth Proportional to 2,667.16, 4,000.73 and 935.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.16 : 4,000.73 = 935.79 : x
2. Step 2: Convert to fraction form
   2,667.16/4,000.73 = 935.79/x
3. Step 3: Cross multiply
   2,667.16x = 4,000.73 × 935.79
4. Step 4: Simplify right side
   2,667.16x = 3,743,843.13
5. Step 5: Solve for x
   x = 3,743,843.13/2,667.16
6. Step 6: Final answer
   x = 1,403.68