Finding the Fourth Proportional to 2,766.57, 4,150.53 and 1,123.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.57 : 4,150.53 = 1,123.58 : x
2. Step 2: Convert to fraction form
   2,766.57/4,150.53 = 1,123.58/x
3. Step 3: Cross multiply
   2,766.57x = 4,150.53 × 1,123.58
4. Step 4: Simplify right side
   2,766.57x = 4,663,452.50
5. Step 5: Solve for x
   x = 4,663,452.50/2,766.57
6. Step 6: Final answer
   x = 1,685.64