Finding the Fourth Proportional to 2,766.77, 4,151.89 and 1,123.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.77 : 4,151.89 = 1,123.32 : x
2. Step 2: Convert to fraction form
   2,766.77/4,151.89 = 1,123.32/x
3. Step 3: Cross multiply
   2,766.77x = 4,151.89 × 1,123.32
4. Step 4: Simplify right side
   2,766.77x = 4,663,901.07
5. Step 5: Solve for x
   x = 4,663,901.07/2,766.77
6. Step 6: Final answer
   x = 1,685.68