Finding the Fourth Proportional to 2,722.16, 4,084.59 and 1,078.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.16 : 4,084.59 = 1,078.67 : x
2. Step 2: Convert to fraction form
   2,722.16/4,084.59 = 1,078.67/x
3. Step 3: Cross multiply
   2,722.16x = 4,084.59 × 1,078.67
4. Step 4: Simplify right side
   2,722.16x = 4,405,938.95
5. Step 5: Solve for x
   x = 4,405,938.95/2,722.16
6. Step 6: Final answer
   x = 1,618.54