Finding the Fourth Proportional to 2,692.72, 4,038.78 and 937.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.72 : 4,038.78 = 937.42 : x
2. Step 2: Convert to fraction form
   2,692.72/4,038.78 = 937.42/x
3. Step 3: Cross multiply
   2,692.72x = 4,038.78 × 937.42
4. Step 4: Simplify right side
   2,692.72x = 3,786,033.15
5. Step 5: Solve for x
   x = 3,786,033.15/2,692.72
6. Step 6: Final answer
   x = 1,406.03