Finding the Fourth Proportional to 2,567.72, 3,850.67 and 923.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.72 : 3,850.67 = 923.83 : x
2. Step 2: Convert to fraction form
   2,567.72/3,850.67 = 923.83/x
3. Step 3: Cross multiply
   2,567.72x = 3,850.67 × 923.83
4. Step 4: Simplify right side
   2,567.72x = 3,557,357.15
5. Step 5: Solve for x
   x = 3,557,357.15/2,567.72
6. Step 6: Final answer
   x = 1,385.41