Finding the Fourth Proportional to 2,058.66, 3,085.20 and 1,134.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.66 : 3,085.20 = 1,134.42 : x
2. Step 2: Convert to fraction form
   2,058.66/3,085.20 = 1,134.42/x
3. Step 3: Cross multiply
   2,058.66x = 3,085.20 × 1,134.42
4. Step 4: Simplify right side
   2,058.66x = 3,499,912.58
5. Step 5: Solve for x
   x = 3,499,912.58/2,058.66
6. Step 6: Final answer
   x = 1,700.09