Finding the Fourth Proportional to 2,292.72, 3,164.03 and 1,244.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,292.72 : 3,164.03 = 1,244.79 : x
2. Step 2: Convert to fraction form
   2,292.72/3,164.03 = 1,244.79/x
3. Step 3: Cross multiply
   2,292.72x = 3,164.03 × 1,244.79
4. Step 4: Simplify right side
   2,292.72x = 3,938,546.68
5. Step 5: Solve for x
   x = 3,938,546.68/2,292.72
6. Step 6: Final answer
   x = 1,717.85