Finding the Fourth Proportional to 2,134.15, 3,200.25 and 673.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.15 : 3,200.25 = 673.40 : x
2. Step 2: Convert to fraction form
   2,134.15/3,200.25 = 673.40/x
3. Step 3: Cross multiply
   2,134.15x = 3,200.25 × 673.40
4. Step 4: Simplify right side
   2,134.15x = 2,155,048.35
5. Step 5: Solve for x
   x = 2,155,048.35/2,134.15
6. Step 6: Final answer
   x = 1,009.79