Finding the Fourth Proportional to 1,890.54, 2,833.34 and 965.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.54 : 2,833.34 = 965.31 : x
2. Step 2: Convert to fraction form
   1,890.54/2,833.34 = 965.31/x
3. Step 3: Cross multiply
   1,890.54x = 2,833.34 × 965.31
4. Step 4: Simplify right side
   1,890.54x = 2,735,046.61
5. Step 5: Solve for x
   x = 2,735,046.61/1,890.54
6. Step 6: Final answer
   x = 1,446.70