Finding the Fourth Proportional to 2,520.37, 3,776.70 and 1,058.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.37 : 3,776.70 = 1,058.73 : x
2. Step 2: Convert to fraction form
   2,520.37/3,776.70 = 1,058.73/x
3. Step 3: Cross multiply
   2,520.37x = 3,776.70 × 1,058.73
4. Step 4: Simplify right side
   2,520.37x = 3,998,505.59
5. Step 5: Solve for x
   x = 3,998,505.59/2,520.37
6. Step 6: Final answer
   x = 1,586.48