Finding the Fourth Proportional to 2,759.82, 3,808.55 and 1,580.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,759.82 : 3,808.55 = 1,580.89 : x
2. Step 2: Convert to fraction form
   2,759.82/3,808.55 = 1,580.89/x
3. Step 3: Cross multiply
   2,759.82x = 3,808.55 × 1,580.89
4. Step 4: Simplify right side
   2,759.82x = 6,020,900.23
5. Step 5: Solve for x
   x = 6,020,900.23/2,759.82
6. Step 6: Final answer
   x = 2,181.63