Finding the Fourth Proportional to 2,828.32, 4,241.12 and 880.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.32 : 4,241.12 = 880.16 : x
2. Step 2: Convert to fraction form
   2,828.32/4,241.12 = 880.16/x
3. Step 3: Cross multiply
   2,828.32x = 4,241.12 × 880.16
4. Step 4: Simplify right side
   2,828.32x = 3,732,864.18
5. Step 5: Solve for x
   x = 3,732,864.18/2,828.32
6. Step 6: Final answer
   x = 1,319.82