Finding the Fourth Proportional to 2,060.57, 3,091.31 and 964.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.57 : 3,091.31 = 964.34 : x
2. Step 2: Convert to fraction form
   2,060.57/3,091.31 = 964.34/x
3. Step 3: Cross multiply
   2,060.57x = 3,091.31 × 964.34
4. Step 4: Simplify right side
   2,060.57x = 2,981,073.89
5. Step 5: Solve for x
   x = 2,981,073.89/2,060.57
6. Step 6: Final answer
   x = 1,446.72