Finding the Fourth Proportional to 3,908.67, 5,858.37 and 2,058.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,908.67 : 5,858.37 = 2,058.84 : x
2. Step 2: Convert to fraction form
   3,908.67/5,858.37 = 2,058.84/x
3. Step 3: Cross multiply
   3,908.67x = 5,858.37 × 2,058.84
4. Step 4: Simplify right side
   3,908.67x = 12,061,446.49
5. Step 5: Solve for x
   x = 12,061,446.49/3,908.67
6. Step 6: Final answer
   x = 3,085.82