Finding the Fourth Proportional to 2,175.78, 3,002.71 and 1,244.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.78 : 3,002.71 = 1,244.26 : x
2. Step 2: Convert to fraction form
   2,175.78/3,002.71 = 1,244.26/x
3. Step 3: Cross multiply
   2,175.78x = 3,002.71 × 1,244.26
4. Step 4: Simplify right side
   2,175.78x = 3,736,151.94
5. Step 5: Solve for x
   x = 3,736,151.94/2,175.78
6. Step 6: Final answer
   x = 1,717.16