Finding the Fourth Proportional to 2,267.18, 3,128.76 and 1,272.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.18 : 3,128.76 = 1,272.54 : x
2. Step 2: Convert to fraction form
   2,267.18/3,128.76 = 1,272.54/x
3. Step 3: Cross multiply
   2,267.18x = 3,128.76 × 1,272.54
4. Step 4: Simplify right side
   2,267.18x = 3,981,472.25
5. Step 5: Solve for x
   x = 3,981,472.25/2,267.18
6. Step 6: Final answer
   x = 1,756.13