Finding the Fourth Proportional to 2,269.44, 3,131.91 and 1,274.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.44 : 3,131.91 = 1,274.67 : x
2. Step 2: Convert to fraction form
   2,269.44/3,131.91 = 1,274.67/x
3. Step 3: Cross multiply
   2,269.44x = 3,131.91 × 1,274.67
4. Step 4: Simplify right side
   2,269.44x = 3,992,151.72
5. Step 5: Solve for x
   x = 3,992,151.72/2,269.44
6. Step 6: Final answer
   x = 1,759.09