Finding the Fourth Proportional to 3,230.91, 4,847.31 and 1,039.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,230.91 : 4,847.31 = 1,039.59 : x
2. Step 2: Convert to fraction form
   3,230.91/4,847.31 = 1,039.59/x
3. Step 3: Cross multiply
   3,230.91x = 4,847.31 × 1,039.59
4. Step 4: Simplify right side
   3,230.91x = 5,039,215.00
5. Step 5: Solve for x
   x = 5,039,215.00/3,230.91
6. Step 6: Final answer
   x = 1,559.69