Finding the Fourth Proportional to 2,059.15, 3,089.36 and 672.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.15 : 3,089.36 = 672.49 : x
2. Step 2: Convert to fraction form
   2,059.15/3,089.36 = 672.49/x
3. Step 3: Cross multiply
   2,059.15x = 3,089.36 × 672.49
4. Step 4: Simplify right side
   2,059.15x = 2,077,560.34
5. Step 5: Solve for x
   x = 2,077,560.34/2,059.15
6. Step 6: Final answer
   x = 1,008.94