Finding the Fourth Proportional to 2,132.93, 3,200.61 and 835.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.93 : 3,200.61 = 835.31 : x
2. Step 2: Convert to fraction form
   2,132.93/3,200.61 = 835.31/x
3. Step 3: Cross multiply
   2,132.93x = 3,200.61 × 835.31
4. Step 4: Simplify right side
   2,132.93x = 2,673,512.67
5. Step 5: Solve for x
   x = 2,673,512.67/2,132.93
6. Step 6: Final answer
   x = 1,253.44