Finding the Fourth Proportional to 2,288.69, 3,157.33 and 1,344.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.69 : 3,157.33 = 1,344.18 : x
2. Step 2: Convert to fraction form
   2,288.69/3,157.33 = 1,344.18/x
3. Step 3: Cross multiply
   2,288.69x = 3,157.33 × 1,344.18
4. Step 4: Simplify right side
   2,288.69x = 4,244,019.84
5. Step 5: Solve for x
   x = 4,244,019.84/2,288.69
6. Step 6: Final answer
   x = 1,854.34