Finding the Fourth Proportional to 3,692.86, 5,542.49 and 1,939.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,692.86 : 5,542.49 = 1,939.10 : x
2. Step 2: Convert to fraction form
   3,692.86/5,542.49 = 1,939.10/x
3. Step 3: Cross multiply
   3,692.86x = 5,542.49 × 1,939.10
4. Step 4: Simplify right side
   3,692.86x = 10,747,404.95
5. Step 5: Solve for x
   x = 10,747,404.95/3,692.86
6. Step 6: Final answer
   x = 2,910.32