Finding the Fourth Proportional to 2,718.82, 4,076.34 and 1,074.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,718.82 : 4,076.34 = 1,074.88 : x
2. Step 2: Convert to fraction form
   2,718.82/4,076.34 = 1,074.88/x
3. Step 3: Cross multiply
   2,718.82x = 4,076.34 × 1,074.88
4. Step 4: Simplify right side
   2,718.82x = 4,381,576.34
5. Step 5: Solve for x
   x = 4,381,576.34/2,718.82
6. Step 6: Final answer
   x = 1,611.57