Finding the Fourth Proportional to 1,768.16, 2,440.73 and 1,105.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.16 : 2,440.73 = 1,105.18 : x
2. Step 2: Convert to fraction form
   1,768.16/2,440.73 = 1,105.18/x
3. Step 3: Cross multiply
   1,768.16x = 2,440.73 × 1,105.18
4. Step 4: Simplify right side
   1,768.16x = 2,697,442.64
5. Step 5: Solve for x
   x = 2,697,442.64/1,768.16
6. Step 6: Final answer
   x = 1,525.56