Finding the Fourth Proportional to 3,456.64, 5,184.82 and 859.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.64 : 5,184.82 = 859.52 : x
2. Step 2: Convert to fraction form
   3,456.64/5,184.82 = 859.52/x
3. Step 3: Cross multiply
   3,456.64x = 5,184.82 × 859.52
4. Step 4: Simplify right side
   3,456.64x = 4,456,456.49
5. Step 5: Solve for x
   x = 4,456,456.49/3,456.64
6. Step 6: Final answer
   x = 1,289.25