Finding the Fourth Proportional to 2,034.78, 3,052.20 and 880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.78 : 3,052.20 = 880.50 : x
2. Step 2: Convert to fraction form
   2,034.78/3,052.20 = 880.50/x
3. Step 3: Cross multiply
   2,034.78x = 3,052.20 × 880.50
4. Step 4: Simplify right side
   2,034.78x = 2,687,462.10
5. Step 5: Solve for x
   x = 2,687,462.10/2,034.78
6. Step 6: Final answer
   x = 1,320.76