Finding the Fourth Proportional to 2,058.91, 3,086.08 and 1,070.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.91 : 3,086.08 = 1,070.81 : x
2. Step 2: Convert to fraction form
   2,058.91/3,086.08 = 1,070.81/x
3. Step 3: Cross multiply
   2,058.91x = 3,086.08 × 1,070.81
4. Step 4: Simplify right side
   2,058.91x = 3,304,605.32
5. Step 5: Solve for x
   x = 3,304,605.32/2,058.91
6. Step 6: Final answer
   x = 1,605.03