Finding the Fourth Proportional to 2,740.82, 4,109.16 and 890.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.82 : 4,109.16 = 890.83 : x
2. Step 2: Convert to fraction form
   2,740.82/4,109.16 = 890.83/x
3. Step 3: Cross multiply
   2,740.82x = 4,109.16 × 890.83
4. Step 4: Simplify right side
   2,740.82x = 3,660,563.00
5. Step 5: Solve for x
   x = 3,660,563.00/2,740.82
6. Step 6: Final answer
   x = 1,335.57