Finding the Fourth Proportional to 2,828.74, 4,241.76 and 880.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.74 : 4,241.76 = 880.96 : x
2. Step 2: Convert to fraction form
   2,828.74/4,241.76 = 880.96/x
3. Step 3: Cross multiply
   2,828.74x = 4,241.76 × 880.96
4. Step 4: Simplify right side
   2,828.74x = 3,736,820.89
5. Step 5: Solve for x
   x = 3,736,820.89/2,828.74
6. Step 6: Final answer
   x = 1,321.02