Finding the Fourth Proportional to 2,134.52, 3,200.85 and 673.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.52 : 3,200.85 = 673.79 : x
2. Step 2: Convert to fraction form
   2,134.52/3,200.85 = 673.79/x
3. Step 3: Cross multiply
   2,134.52x = 3,200.85 × 673.79
4. Step 4: Simplify right side
   2,134.52x = 2,156,684.72
5. Step 5: Solve for x
   x = 2,156,684.72/2,134.52
6. Step 6: Final answer
   x = 1,010.38