Finding the Fourth Proportional to 1,768.42, 2,440.02 and 1,105.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.42 : 2,440.02 = 1,105.03 : x
2. Step 2: Convert to fraction form
   1,768.42/2,440.02 = 1,105.03/x
3. Step 3: Cross multiply
   1,768.42x = 2,440.02 × 1,105.03
4. Step 4: Simplify right side
   1,768.42x = 2,696,295.30
5. Step 5: Solve for x
   x = 2,696,295.30/1,768.42
6. Step 6: Final answer
   x = 1,524.69