Finding the Fourth Proportional to 2,519.35, 3,776.72 and 1,058.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.35 : 3,776.72 = 1,058.60 : x
2. Step 2: Convert to fraction form
   2,519.35/3,776.72 = 1,058.60/x
3. Step 3: Cross multiply
   2,519.35x = 3,776.72 × 1,058.60
4. Step 4: Simplify right side
   2,519.35x = 3,998,039.94
5. Step 5: Solve for x
   x = 3,998,039.94/2,519.35
6. Step 6: Final answer
   x = 1,586.93