Finding the Fourth Proportional to 2,267.37, 3,128.58 and 1,272.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.37 : 3,128.58 = 1,272.51 : x
2. Step 2: Convert to fraction form
   2,267.37/3,128.58 = 1,272.51/x
3. Step 3: Cross multiply
   2,267.37x = 3,128.58 × 1,272.51
4. Step 4: Simplify right side
   2,267.37x = 3,981,149.34
5. Step 5: Solve for x
   x = 3,981,149.34/2,267.37
6. Step 6: Final answer
   x = 1,755.84