Finding the Fourth Proportional to 2,059.37, 3,089.39 and 672.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.37 : 3,089.39 = 672.30 : x
2. Step 2: Convert to fraction form
   2,059.37/3,089.39 = 672.30/x
3. Step 3: Cross multiply
   2,059.37x = 3,089.39 × 672.30
4. Step 4: Simplify right side
   2,059.37x = 2,076,993.54
5. Step 5: Solve for x
   x = 2,076,993.54/2,059.37
6. Step 6: Final answer
   x = 1,008.56