Finding the Fourth Proportional to 3,686.03, 5,524.68 and 3,644.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.03 : 5,524.68 = 3,644.92 : x
2. Step 2: Convert to fraction form
   3,686.03/5,524.68 = 3,644.92/x
3. Step 3: Cross multiply
   3,686.03x = 5,524.68 × 3,644.92
4. Step 4: Simplify right side
   3,686.03x = 20,137,016.63
5. Step 5: Solve for x
   x = 20,137,016.63/3,686.03
6. Step 6: Final answer
   x = 5,463.06