Finding the Fourth Proportional to 5,498.24, 7,581.89 and 3,821.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.24 : 7,581.89 = 3,821.54 : x
2. Step 2: Convert to fraction form
   5,498.24/7,581.89 = 3,821.54/x
3. Step 3: Cross multiply
   5,498.24x = 7,581.89 × 3,821.54
4. Step 4: Simplify right side
   5,498.24x = 28,974,476.80
5. Step 5: Solve for x
   x = 28,974,476.80/5,498.24
6. Step 6: Final answer
   x = 5,269.77