Finding the Fourth Proportional to 5,443.50, 7,511.40 and 3,086.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.50 : 7,511.40 = 3,086.04 : x
2. Step 2: Convert to fraction form
   5,443.50/7,511.40 = 3,086.04/x
3. Step 3: Cross multiply
   5,443.50x = 7,511.40 × 3,086.04
4. Step 4: Simplify right side
   5,443.50x = 23,180,480.86
5. Step 5: Solve for x
   x = 23,180,480.86/5,443.50
6. Step 6: Final answer
   x = 4,258.38