Finding the Fourth Proportional to 2,771.82, 4,160.09 and 1,384.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.82 : 4,160.09 = 1,384.76 : x
2. Step 2: Convert to fraction form
   2,771.82/4,160.09 = 1,384.76/x
3. Step 3: Cross multiply
   2,771.82x = 4,160.09 × 1,384.76
4. Step 4: Simplify right side
   2,771.82x = 5,760,740.09
5. Step 5: Solve for x
   x = 5,760,740.09/2,771.82
6. Step 6: Final answer
   x = 2,078.32