Finding the Fourth Proportional to 3,150.41, 4,347.78 and 2,086.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.41 : 4,347.78 = 2,086.34 : x
2. Step 2: Convert to fraction form
   3,150.41/4,347.78 = 2,086.34/x
3. Step 3: Cross multiply
   3,150.41x = 4,347.78 × 2,086.34
4. Step 4: Simplify right side
   3,150.41x = 9,070,947.33
5. Step 5: Solve for x
   x = 9,070,947.33/3,150.41
6. Step 6: Final answer
   x = 2,879.29