Finding the Fourth Proportional to 2,733.02, 4,099.56 and 1,271.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.02 : 4,099.56 = 1,271.78 : x
2. Step 2: Convert to fraction form
   2,733.02/4,099.56 = 1,271.78/x
3. Step 3: Cross multiply
   2,733.02x = 4,099.56 × 1,271.78
4. Step 4: Simplify right side
   2,733.02x = 5,213,738.42
5. Step 5: Solve for x
   x = 5,213,738.42/2,733.02
6. Step 6: Final answer
   x = 1,907.68