Finding the Fourth Proportional to 2,058.35, 2,840.52 and 1,126.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.35 : 2,840.52 = 1,126.85 : x
2. Step 2: Convert to fraction form
   2,058.35/2,840.52 = 1,126.85/x
3. Step 3: Cross multiply
   2,058.35x = 2,840.52 × 1,126.85
4. Step 4: Simplify right side
   2,058.35x = 3,200,839.96
5. Step 5: Solve for x
   x = 3,200,839.96/2,058.35
6. Step 6: Final answer
   x = 1,555.05