Finding the Fourth Proportional to 2,520.56, 3,781.56 and 1,058.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.56 : 3,781.56 = 1,058.96 : x
2. Step 2: Convert to fraction form
   2,520.56/3,781.56 = 1,058.96/x
3. Step 3: Cross multiply
   2,520.56x = 3,781.56 × 1,058.96
4. Step 4: Simplify right side
   2,520.56x = 4,004,520.78
5. Step 5: Solve for x
   x = 4,004,520.78/2,520.56
6. Step 6: Final answer
   x = 1,588.74