Finding the Fourth Proportional to 1,960.08, 2,704.89 and 1,120.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.08 : 2,704.89 = 1,120.78 : x
2. Step 2: Convert to fraction form
   1,960.08/2,704.89 = 1,120.78/x
3. Step 3: Cross multiply
   1,960.08x = 2,704.89 × 1,120.78
4. Step 4: Simplify right side
   1,960.08x = 3,031,586.61
5. Step 5: Solve for x
   x = 3,031,586.61/1,960.08
6. Step 6: Final answer
   x = 1,546.66