Finding the Fourth Proportional to 2,401.65, 3,601.15 and 841.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.65 : 3,601.15 = 841.24 : x
2. Step 2: Convert to fraction form
   2,401.65/3,601.15 = 841.24/x
3. Step 3: Cross multiply
   2,401.65x = 3,601.15 × 841.24
4. Step 4: Simplify right side
   2,401.65x = 3,029,431.43
5. Step 5: Solve for x
   x = 3,029,431.43/2,401.65
6. Step 6: Final answer
   x = 1,261.40