Finding the Fourth Proportional to 2,643.82, 3,648.52 and 1,524.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.82 : 3,648.52 = 1,524.57 : x
2. Step 2: Convert to fraction form
   2,643.82/3,648.52 = 1,524.57/x
3. Step 3: Cross multiply
   2,643.82x = 3,648.52 × 1,524.57
4. Step 4: Simplify right side
   2,643.82x = 5,562,424.14
5. Step 5: Solve for x
   x = 5,562,424.14/2,643.82
6. Step 6: Final answer
   x = 2,103.93