Finding the Fourth Proportional to 2,249.95, 3,105.31 and 1,717.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,249.95 : 3,105.31 = 1,717.96 : x
2. Step 2: Convert to fraction form
   2,249.95/3,105.31 = 1,717.96/x
3. Step 3: Cross multiply
   2,249.95x = 3,105.31 × 1,717.96
4. Step 4: Simplify right side
   2,249.95x = 5,334,798.37
5. Step 5: Solve for x
   x = 5,334,798.37/2,249.95
6. Step 6: Final answer
   x = 2,371.07