Finding the Fourth Proportional to 2,766.42, 4,150.06 and 818.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.42 : 4,150.06 = 818.82 : x
2. Step 2: Convert to fraction form
   2,766.42/4,150.06 = 818.82/x
3. Step 3: Cross multiply
   2,766.42x = 4,150.06 × 818.82
4. Step 4: Simplify right side
   2,766.42x = 3,398,152.13
5. Step 5: Solve for x
   x = 3,398,152.13/2,766.42
6. Step 6: Final answer
   x = 1,228.36