Finding the Fourth Proportional to 2,267.10, 3,127.86 and 1,272.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.10 : 3,127.86 = 1,272.24 : x
2. Step 2: Convert to fraction form
   2,267.10/3,127.86 = 1,272.24/x
3. Step 3: Cross multiply
   2,267.10x = 3,127.86 × 1,272.24
4. Step 4: Simplify right side
   2,267.10x = 3,979,388.61
5. Step 5: Solve for x
   x = 3,979,388.61/2,267.10
6. Step 6: Final answer
   x = 1,755.28