Finding the Fourth Proportional to 2,267.43, 3,128.89 and 1,272.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.43 : 3,128.89 = 1,272.52 : x
2. Step 2: Convert to fraction form
   2,267.43/3,128.89 = 1,272.52/x
3. Step 3: Cross multiply
   2,267.43x = 3,128.89 × 1,272.52
4. Step 4: Simplify right side
   2,267.43x = 3,981,569.17
5. Step 5: Solve for x
   x = 3,981,569.17/2,267.43
6. Step 6: Final answer
   x = 1,755.98