Finding the Fourth Proportional to 3,179.25, 4,386.35 and 2,061.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,179.25 : 4,386.35 = 2,061.05 : x
2. Step 2: Convert to fraction form
   3,179.25/4,386.35 = 2,061.05/x
3. Step 3: Cross multiply
   3,179.25x = 4,386.35 × 2,061.05
4. Step 4: Simplify right side
   3,179.25x = 9,040,454.43
5. Step 5: Solve for x
   x = 9,040,454.43/3,179.25
6. Step 6: Final answer
   x = 2,843.58