Finding the Fourth Proportional to 1,318.28, 1,818.83 and 1,096.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318.28 : 1,818.83 = 1,096.88 : x
2. Step 2: Convert to fraction form
   1,318.28/1,818.83 = 1,096.88/x
3. Step 3: Cross multiply
   1,318.28x = 1,818.83 × 1,096.88
4. Step 4: Simplify right side
   1,318.28x = 1,995,031.90
5. Step 5: Solve for x
   x = 1,995,031.90/1,318.28
6. Step 6: Final answer
   x = 1,513.37