Finding the Fourth Proportional to 3,603.43, 5,369.32 and 3,210.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.43 : 5,369.32 = 3,210.41 : x
2. Step 2: Convert to fraction form
   3,603.43/5,369.32 = 3,210.41/x
3. Step 3: Cross multiply
   3,603.43x = 5,369.32 × 3,210.41
4. Step 4: Simplify right side
   3,603.43x = 17,237,675.72
5. Step 5: Solve for x
   x = 17,237,675.72/3,603.43
6. Step 6: Final answer
   x = 4,783.69