Finding the Fourth Proportional to 2,061.12, 3,091.20 and 964.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.12 : 3,091.20 = 964.44 : x
2. Step 2: Convert to fraction form
   2,061.12/3,091.20 = 964.44/x
3. Step 3: Cross multiply
   2,061.12x = 3,091.20 × 964.44
4. Step 4: Simplify right side
   2,061.12x = 2,981,276.93
5. Step 5: Solve for x
   x = 2,981,276.93/2,061.12
6. Step 6: Final answer
   x = 1,446.44