Finding the Fourth Proportional to 2,749.88, 3,786.72 and 2,274.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.88 : 3,786.72 = 2,274.23 : x
2. Step 2: Convert to fraction form
   2,749.88/3,786.72 = 2,274.23/x
3. Step 3: Cross multiply
   2,749.88x = 3,786.72 × 2,274.23
4. Step 4: Simplify right side
   2,749.88x = 8,611,872.23
5. Step 5: Solve for x
   x = 8,611,872.23/2,749.88
6. Step 6: Final answer
   x = 3,131.73