Finding the Fourth Proportional to 2,722.80, 4,086.18 and 1,262.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.80 : 4,086.18 = 1,262.10 : x
2. Step 2: Convert to fraction form
   2,722.80/4,086.18 = 1,262.10/x
3. Step 3: Cross multiply
   2,722.80x = 4,086.18 × 1,262.10
4. Step 4: Simplify right side
   2,722.80x = 5,157,167.78
5. Step 5: Solve for x
   x = 5,157,167.78/2,722.80
6. Step 6: Final answer
   x = 1,894.07