Finding the Fourth Proportional to 2,643.54, 3,648.07 and 1,524.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.54 : 3,648.07 = 1,524.47 : x
2. Step 2: Convert to fraction form
   2,643.54/3,648.07 = 1,524.47/x
3. Step 3: Cross multiply
   2,643.54x = 3,648.07 × 1,524.47
4. Step 4: Simplify right side
   2,643.54x = 5,561,384.30
5. Step 5: Solve for x
   x = 5,561,384.30/2,643.54
6. Step 6: Final answer
   x = 2,103.76