Finding the Fourth Proportional to 5,500.38, 7,587.90 and 3,611.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,500.38 : 7,587.90 = 3,611.19 : x
2. Step 2: Convert to fraction form
   5,500.38/7,587.90 = 3,611.19/x
3. Step 3: Cross multiply
   5,500.38x = 7,587.90 × 3,611.19
4. Step 4: Simplify right side
   5,500.38x = 27,401,348.60
5. Step 5: Solve for x
   x = 27,401,348.60/5,500.38
6. Step 6: Final answer
   x = 4,981.72