Finding the Fourth Proportional to 2,269.09, 3,131.49 and 1,274.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.09 : 3,131.49 = 1,274.41 : x
2. Step 2: Convert to fraction form
   2,269.09/3,131.49 = 1,274.41/x
3. Step 3: Cross multiply
   2,269.09x = 3,131.49 × 1,274.41
4. Step 4: Simplify right side
   2,269.09x = 3,990,802.17
5. Step 5: Solve for x
   x = 3,990,802.17/2,269.09
6. Step 6: Final answer
   x = 1,758.77