Finding the Fourth Proportional to 1,805.14, 2,705.98 and 880.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.14 : 2,705.98 = 880.89 : x
2. Step 2: Convert to fraction form
   1,805.14/2,705.98 = 880.89/x
3. Step 3: Cross multiply
   1,805.14x = 2,705.98 × 880.89
4. Step 4: Simplify right side
   1,805.14x = 2,383,670.72
5. Step 5: Solve for x
   x = 2,383,670.72/1,805.14
6. Step 6: Final answer
   x = 1,320.49