Finding the Fourth Proportional to 2,734.98, 4,095.78 and 1,274.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.98 : 4,095.78 = 1,274.55 : x
2. Step 2: Convert to fraction form
   2,734.98/4,095.78 = 1,274.55/x
3. Step 3: Cross multiply
   2,734.98x = 4,095.78 × 1,274.55
4. Step 4: Simplify right side
   2,734.98x = 5,220,276.40
5. Step 5: Solve for x
   x = 5,220,276.40/2,734.98
6. Step 6: Final answer
   x = 1,908.71