Finding the Fourth Proportional to 2,134.76, 3,200.31 and 835.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.76 : 3,200.31 = 835.31 : x
2. Step 2: Convert to fraction form
   2,134.76/3,200.31 = 835.31/x
3. Step 3: Cross multiply
   2,134.76x = 3,200.31 × 835.31
4. Step 4: Simplify right side
   2,134.76x = 2,673,258.95
5. Step 5: Solve for x
   x = 2,673,258.95/2,134.76
6. Step 6: Final answer
   x = 1,252.26