Finding the Fourth Proportional to 1,046.35, 1,442.72 and 859.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.35 : 1,442.72 = 859.24 : x
2. Step 2: Convert to fraction form
   1,046.35/1,442.72 = 859.24/x
3. Step 3: Cross multiply
   1,046.35x = 1,442.72 × 859.24
4. Step 4: Simplify right side
   1,046.35x = 1,239,641.27
5. Step 5: Solve for x
   x = 1,239,641.27/1,046.35
6. Step 6: Final answer
   x = 1,184.73