Finding the Fourth Proportional to 3,745.68, 5,190.90 and 3,692.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,745.68 : 5,190.90 = 3,692.83 : x
2. Step 2: Convert to fraction form
   3,745.68/5,190.90 = 3,692.83/x
3. Step 3: Cross multiply
   3,745.68x = 5,190.90 × 3,692.83
4. Step 4: Simplify right side
   3,745.68x = 19,169,103.89
5. Step 5: Solve for x
   x = 19,169,103.89/3,745.68
6. Step 6: Final answer
   x = 5,117.65