Finding the Fourth Proportional to 3,771.02, 5,618.89 and 3,603.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,771.02 : 5,618.89 = 3,603.35 : x
2. Step 2: Convert to fraction form
   3,771.02/5,618.89 = 3,603.35/x
3. Step 3: Cross multiply
   3,771.02x = 5,618.89 × 3,603.35
4. Step 4: Simplify right side
   3,771.02x = 20,246,827.28
5. Step 5: Solve for x
   x = 20,246,827.28/3,771.02
6. Step 6: Final answer
   x = 5,369.06