Finding the Fourth Proportional to 3,667.26, 5,502.66 and 1,818.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.26 : 5,502.66 = 1,818.54 : x
2. Step 2: Convert to fraction form
   3,667.26/5,502.66 = 1,818.54/x
3. Step 3: Cross multiply
   3,667.26x = 5,502.66 × 1,818.54
4. Step 4: Simplify right side
   3,667.26x = 10,006,807.32
5. Step 5: Solve for x
   x = 10,006,807.32/3,667.26
6. Step 6: Final answer
   x = 2,728.69