Finding the Fourth Proportional to 1,766.02, 2,440.28 and 1,267.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.02 : 2,440.28 = 1,267.78 : x
2. Step 2: Convert to fraction form
   1,766.02/2,440.28 = 1,267.78/x
3. Step 3: Cross multiply
   1,766.02x = 2,440.28 × 1,267.78
4. Step 4: Simplify right side
   1,766.02x = 3,093,738.18
5. Step 5: Solve for x
   x = 3,093,738.18/1,766.02
6. Step 6: Final answer
   x = 1,751.81