Finding the Fourth Proportional to 2,059.33, 3,089.55 and 672.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.33 : 3,089.55 = 672.63 : x
2. Step 2: Convert to fraction form
   2,059.33/3,089.55 = 672.63/x
3. Step 3: Cross multiply
   2,059.33x = 3,089.55 × 672.63
4. Step 4: Simplify right side
   2,059.33x = 2,078,124.02
5. Step 5: Solve for x
   x = 2,078,124.02/2,059.33
6. Step 6: Final answer
   x = 1,009.13