Finding the Fourth Proportional to 2,766.60, 4,150.34 and 1,123.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.60 : 4,150.34 = 1,123.29 : x
2. Step 2: Convert to fraction form
   2,766.60/4,150.34 = 1,123.29/x
3. Step 3: Cross multiply
   2,766.60x = 4,150.34 × 1,123.29
4. Step 4: Simplify right side
   2,766.60x = 4,662,035.42
5. Step 5: Solve for x
   x = 4,662,035.42/2,766.60
6. Step 6: Final answer
   x = 1,685.11