Finding the Fourth Proportional to 2,132.98, 3,200.55 and 979.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.98 : 3,200.55 = 979.54 : x
2. Step 2: Convert to fraction form
   2,132.98/3,200.55 = 979.54/x
3. Step 3: Cross multiply
   2,132.98x = 3,200.55 × 979.54
4. Step 4: Simplify right side
   2,132.98x = 3,135,066.75
5. Step 5: Solve for x
   x = 3,135,066.75/2,132.98
6. Step 6: Final answer
   x = 1,469.81