Finding the Fourth Proportional to 2,074.46, 3,111.57 and 841.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.46 : 3,111.57 = 841.54 : x
2. Step 2: Convert to fraction form
   2,074.46/3,111.57 = 841.54/x
3. Step 3: Cross multiply
   2,074.46x = 3,111.57 × 841.54
4. Step 4: Simplify right side
   2,074.46x = 2,618,510.62
5. Step 5: Solve for x
   x = 2,618,510.62/2,074.46
6. Step 6: Final answer
   x = 1,262.26