Finding the Fourth Proportional to 5,443.35, 7,511.69 and 3,085.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.35 : 7,511.69 = 3,085.49 : x
2. Step 2: Convert to fraction form
   5,443.35/7,511.69 = 3,085.49/x
3. Step 3: Cross multiply
   5,443.35x = 7,511.69 × 3,085.49
4. Step 4: Simplify right side
   5,443.35x = 23,177,228.95
5. Step 5: Solve for x
   x = 23,177,228.95/5,443.35
6. Step 6: Final answer
   x = 4,257.90