Finding the Fourth Proportional to 1,768.87, 2,440.42 and 1,105.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.87 : 2,440.42 = 1,105.48 : x
2. Step 2: Convert to fraction form
   1,768.87/2,440.42 = 1,105.48/x
3. Step 3: Cross multiply
   1,768.87x = 2,440.42 × 1,105.48
4. Step 4: Simplify right side
   1,768.87x = 2,697,835.50
5. Step 5: Solve for x
   x = 2,697,835.50/1,768.87
6. Step 6: Final answer
   x = 1,525.17