Finding the Fourth Proportional to 1,100.94, 1,651.56 and 516.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.94 : 1,651.56 = 516.54 : x
2. Step 2: Convert to fraction form
   1,100.94/1,651.56 = 516.54/x
3. Step 3: Cross multiply
   1,100.94x = 1,651.56 × 516.54
4. Step 4: Simplify right side
   1,100.94x = 853,096.80
5. Step 5: Solve for x
   x = 853,096.80/1,100.94
6. Step 6: Final answer
   x = 774.88