Finding the Fourth Proportional to 2,059.48, 3,089.46 and 672.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.48 : 3,089.46 = 672.46 : x
2. Step 2: Convert to fraction form
   2,059.48/3,089.46 = 672.46/x
3. Step 3: Cross multiply
   2,059.48x = 3,089.46 × 672.46
4. Step 4: Simplify right side
   2,059.48x = 2,077,538.27
5. Step 5: Solve for x
   x = 2,077,538.27/2,059.48
6. Step 6: Final answer
   x = 1,008.77