Finding the Fourth Proportional to 2,267.10, 3,128.41 and 1,371.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.10 : 3,128.41 = 1,371.17 : x
2. Step 2: Convert to fraction form
   2,267.10/3,128.41 = 1,371.17/x
3. Step 3: Cross multiply
   2,267.10x = 3,128.41 × 1,371.17
4. Step 4: Simplify right side
   2,267.10x = 4,289,581.94
5. Step 5: Solve for x
   x = 4,289,581.94/2,267.10
6. Step 6: Final answer
   x = 1,892.10