Finding the Fourth Proportional to 2,722.37, 4,084.57 and 1,260.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.37 : 4,084.57 = 1,260.50 : x
2. Step 2: Convert to fraction form
   2,722.37/4,084.57 = 1,260.50/x
3. Step 3: Cross multiply
   2,722.37x = 4,084.57 × 1,260.50
4. Step 4: Simplify right side
   2,722.37x = 5,148,581.64
5. Step 5: Solve for x
   x = 5,148,581.64/2,722.37
6. Step 6: Final answer
   x = 1,891.22