Finding the Fourth Proportional to 2,267.27, 3,128.52 and 1,272.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.27 : 3,128.52 = 1,272.54 : x
2. Step 2: Convert to fraction form
   2,267.27/3,128.52 = 1,272.54/x
3. Step 3: Cross multiply
   2,267.27x = 3,128.52 × 1,272.54
4. Step 4: Simplify right side
   2,267.27x = 3,981,166.84
5. Step 5: Solve for x
   x = 3,981,166.84/2,267.27
6. Step 6: Final answer
   x = 1,755.93