Finding the Fourth Proportional to 1,046.52, 1,568.16 and 871.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.52 : 1,568.16 = 871.56 : x
2. Step 2: Convert to fraction form
   1,046.52/1,568.16 = 871.56/x
3. Step 3: Cross multiply
   1,046.52x = 1,568.16 × 871.56
4. Step 4: Simplify right side
   1,046.52x = 1,366,745.53
5. Step 5: Solve for x
   x = 1,366,745.53/1,046.52
6. Step 6: Final answer
   x = 1,305.99