Finding the Fourth Proportional to 2,828.77, 4,243.62 and 880.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.77 : 4,243.62 = 880.52 : x
2. Step 2: Convert to fraction form
   2,828.77/4,243.62 = 880.52/x
3. Step 3: Cross multiply
   2,828.77x = 4,243.62 × 880.52
4. Step 4: Simplify right side
   2,828.77x = 3,736,592.28
5. Step 5: Solve for x
   x = 3,736,592.28/2,828.77
6. Step 6: Final answer
   x = 1,320.92