Finding the Fourth Proportional to 2,011.54, 3,016.56 and 841.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.54 : 3,016.56 = 841.62 : x
2. Step 2: Convert to fraction form
   2,011.54/3,016.56 = 841.62/x
3. Step 3: Cross multiply
   2,011.54x = 3,016.56 × 841.62
4. Step 4: Simplify right side
   2,011.54x = 2,538,806.96
5. Step 5: Solve for x
   x = 2,538,806.96/2,011.54
6. Step 6: Final answer
   x = 1,262.12