Finding the Fourth Proportional to 5,442.57, 7,511.79 and 3,084.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,442.57 : 7,511.79 = 3,084.72 : x
2. Step 2: Convert to fraction form
   5,442.57/7,511.79 = 3,084.72/x
3. Step 3: Cross multiply
   5,442.57x = 7,511.79 × 3,084.72
4. Step 4: Simplify right side
   5,442.57x = 23,171,768.85
5. Step 5: Solve for x
   x = 23,171,768.85/5,442.57
6. Step 6: Final answer
   x = 4,257.50