Finding the Fourth Proportional to 3,691.42, 5,515.55 and 3,562.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.42 : 5,515.55 = 3,562.24 : x
2. Step 2: Convert to fraction form
   3,691.42/5,515.55 = 3,562.24/x
3. Step 3: Cross multiply
   3,691.42x = 5,515.55 × 3,562.24
4. Step 4: Simplify right side
   3,691.42x = 19,647,712.83
5. Step 5: Solve for x
   x = 19,647,712.83/3,691.42
6. Step 6: Final answer
   x = 5,322.54