Finding the Fourth Proportional to 2,538.66, 3,805.37 and 1,058.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.66 : 3,805.37 = 1,058.73 : x
2. Step 2: Convert to fraction form
   2,538.66/3,805.37 = 1,058.73/x
3. Step 3: Cross multiply
   2,538.66x = 3,805.37 × 1,058.73
4. Step 4: Simplify right side
   2,538.66x = 4,028,854.09
5. Step 5: Solve for x
   x = 4,028,854.09/2,538.66
6. Step 6: Final answer
   x = 1,587.00