Finding the Fourth Proportional to 3,456.52, 5,184.83 and 859.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.52 : 5,184.83 = 859.46 : x
2. Step 2: Convert to fraction form
   3,456.52/5,184.83 = 859.46/x
3. Step 3: Cross multiply
   3,456.52x = 5,184.83 × 859.46
4. Step 4: Simplify right side
   3,456.52x = 4,456,123.77
5. Step 5: Solve for x
   x = 4,456,123.77/3,456.52
6. Step 6: Final answer
   x = 1,289.19