Finding the Fourth Proportional to 1,766.56, 2,438.73 and 1,103.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.56 : 2,438.73 = 1,103.78 : x
2. Step 2: Convert to fraction form
   1,766.56/2,438.73 = 1,103.78/x
3. Step 3: Cross multiply
   1,766.56x = 2,438.73 × 1,103.78
4. Step 4: Simplify right side
   1,766.56x = 2,691,821.40
5. Step 5: Solve for x
   x = 2,691,821.40/1,766.56
6. Step 6: Final answer
   x = 1,523.76