Finding the Fourth Proportional to 2,771.76, 4,155.46 and 1,384.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.76 : 4,155.46 = 1,384.38 : x
2. Step 2: Convert to fraction form
   2,771.76/4,155.46 = 1,384.38/x
3. Step 3: Cross multiply
   2,771.76x = 4,155.46 × 1,384.38
4. Step 4: Simplify right side
   2,771.76x = 5,752,735.71
5. Step 5: Solve for x
   x = 5,752,735.71/2,771.76
6. Step 6: Final answer
   x = 2,075.48