Finding the Fourth Proportional to 2,058.56, 2,840.89 and 1,127.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.56 : 2,840.89 = 1,127.06 : x
2. Step 2: Convert to fraction form
   2,058.56/2,840.89 = 1,127.06/x
3. Step 3: Cross multiply
   2,058.56x = 2,840.89 × 1,127.06
4. Step 4: Simplify right side
   2,058.56x = 3,201,857.77
5. Step 5: Solve for x
   x = 3,201,857.77/2,058.56
6. Step 6: Final answer
   x = 1,555.39