Finding the Fourth Proportional to 2,262.27, 3,121.77 and 1,267.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.27 : 3,121.77 = 1,267.38 : x
2. Step 2: Convert to fraction form
   2,262.27/3,121.77 = 1,267.38/x
3. Step 3: Cross multiply
   2,262.27x = 3,121.77 × 1,267.38
4. Step 4: Simplify right side
   2,262.27x = 3,956,468.86
5. Step 5: Solve for x
   x = 3,956,468.86/2,262.27
6. Step 6: Final answer
   x = 1,748.89