Finding the Fourth Proportional to 2,058.96, 3,087.42 and 1,084.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.96 : 3,087.42 = 1,084.80 : x
2. Step 2: Convert to fraction form
   2,058.96/3,087.42 = 1,084.80/x
3. Step 3: Cross multiply
   2,058.96x = 3,087.42 × 1,084.80
4. Step 4: Simplify right side
   2,058.96x = 3,349,233.22
5. Step 5: Solve for x
   x = 3,349,233.22/2,058.96
6. Step 6: Final answer
   x = 1,626.66