Finding the Fourth Proportional to 2,058.09, 2,840.15 and 1,113.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.09 : 2,840.15 = 1,113.89 : x
2. Step 2: Convert to fraction form
   2,058.09/2,840.15 = 1,113.89/x
3. Step 3: Cross multiply
   2,058.09x = 2,840.15 × 1,113.89
4. Step 4: Simplify right side
   2,058.09x = 3,163,600.48
5. Step 5: Solve for x
   x = 3,163,600.48/2,058.09
6. Step 6: Final answer
   x = 1,537.15