Finding the Fourth Proportional to 1,104.07, 1,654.55 and 871.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.07 : 1,654.55 = 871.94 : x
2. Step 2: Convert to fraction form
   1,104.07/1,654.55 = 871.94/x
3. Step 3: Cross multiply
   1,104.07x = 1,654.55 × 871.94
4. Step 4: Simplify right side
   1,104.07x = 1,442,655.69
5. Step 5: Solve for x
   x = 1,442,655.69/1,104.07
6. Step 6: Final answer
   x = 1,306.68