Finding the Fourth Proportional to 2,012.10, 3,018.69 and 841.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.10 : 3,018.69 = 841.48 : x
2. Step 2: Convert to fraction form
   2,012.10/3,018.69 = 841.48/x
3. Step 3: Cross multiply
   2,012.10x = 3,018.69 × 841.48
4. Step 4: Simplify right side
   2,012.10x = 2,540,171.61
5. Step 5: Solve for x
   x = 2,540,171.61/2,012.10
6. Step 6: Final answer
   x = 1,262.45