Finding the Fourth Proportional to 1,768.72, 2,441.18 and 1,140.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.72 : 2,441.18 = 1,140.04 : x
2. Step 2: Convert to fraction form
   1,768.72/2,441.18 = 1,140.04/x
3. Step 3: Cross multiply
   1,768.72x = 2,441.18 × 1,140.04
4. Step 4: Simplify right side
   1,768.72x = 2,783,042.85
5. Step 5: Solve for x
   x = 2,783,042.85/1,768.72
6. Step 6: Final answer
   x = 1,573.48