Finding the Fourth Proportional to 2,411.08, 3,615.82 and 850.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.08 : 3,615.82 = 850.81 : x
2. Step 2: Convert to fraction form
   2,411.08/3,615.82 = 850.81/x
3. Step 3: Cross multiply
   2,411.08x = 3,615.82 × 850.81
4. Step 4: Simplify right side
   2,411.08x = 3,076,375.81
5. Step 5: Solve for x
   x = 3,076,375.81/2,411.08
6. Step 6: Final answer
   x = 1,275.93