Finding the Fourth Proportional to 3,119, 4,300.71 and 2,550.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,119 : 4,300.71 = 2,550.06 : x
2. Step 2: Convert to fraction form
   3,119/4,300.71 = 2,550.06/x
3. Step 3: Cross multiply
   3,119x = 4,300.71 × 2,550.06
4. Step 4: Simplify right side
   3,119x = 10,967,068.54
5. Step 5: Solve for x
   x = 10,967,068.54/3,119
6. Step 6: Final answer
   x = 3,516.21