Finding the Fourth Proportional to 2,731.57, 4,096.74 and 1,087.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.57 : 4,096.74 = 1,087.67 : x
2. Step 2: Convert to fraction form
   2,731.57/4,096.74 = 1,087.67/x
3. Step 3: Cross multiply
   2,731.57x = 4,096.74 × 1,087.67
4. Step 4: Simplify right side
   2,731.57x = 4,455,901.20
5. Step 5: Solve for x
   x = 4,455,901.20/2,731.57
6. Step 6: Final answer
   x = 1,631.26