Finding the Fourth Proportional to 3,818.26, 5,724.15 and 3,636.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.26 : 5,724.15 = 3,636.82 : x
2. Step 2: Convert to fraction form
   3,818.26/5,724.15 = 3,636.82/x
3. Step 3: Cross multiply
   3,818.26x = 5,724.15 × 3,636.82
4. Step 4: Simplify right side
   3,818.26x = 20,817,703.20
5. Step 5: Solve for x
   x = 20,817,703.20/3,818.26
6. Step 6: Final answer
   x = 5,452.14