Finding the Fourth Proportional to 2,567.87, 3,850.86 and 923.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.87 : 3,850.86 = 923.98 : x
2. Step 2: Convert to fraction form
   2,567.87/3,850.86 = 923.98/x
3. Step 3: Cross multiply
   2,567.87x = 3,850.86 × 923.98
4. Step 4: Simplify right side
   2,567.87x = 3,558,098.37
5. Step 5: Solve for x
   x = 3,558,098.37/2,567.87
6. Step 6: Final answer
   x = 1,385.62