Finding the Fourth Proportional to 2,766.68, 4,150.00 and 1,123.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.68 : 4,150.00 = 1,123.21 : x
2. Step 2: Convert to fraction form
   2,766.68/4,150.00 = 1,123.21/x
3. Step 3: Cross multiply
   2,766.68x = 4,150.00 × 1,123.21
4. Step 4: Simplify right side
   2,766.68x = 4,661,295.13
5. Step 5: Solve for x
   x = 4,661,295.13/2,766.68
6. Step 6: Final answer
   x = 1,684.80