Finding the Fourth Proportional to 2,519.33, 3,778.52 and 1,058.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.33 : 3,778.52 = 1,058.49 : x
2. Step 2: Convert to fraction form
   2,519.33/3,778.52 = 1,058.49/x
3. Step 3: Cross multiply
   2,519.33x = 3,778.52 × 1,058.49
4. Step 4: Simplify right side
   2,519.33x = 3,999,520.34
5. Step 5: Solve for x
   x = 3,999,520.34/2,519.33
6. Step 6: Final answer
   x = 1,587.54