Finding the Fourth Proportional to 3,667.95, 5,503.55 and 1,818.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.95 : 5,503.55 = 1,818.05 : x
2. Step 2: Convert to fraction form
   3,667.95/5,503.55 = 1,818.05/x
3. Step 3: Cross multiply
   3,667.95x = 5,503.55 × 1,818.05
4. Step 4: Simplify right side
   3,667.95x = 10,005,692.47
5. Step 5: Solve for x
   x = 10,005,692.47/3,667.95
6. Step 6: Final answer
   x = 2,727.87