Finding the Fourth Proportional to 2,258.22, 3,385.31 and 1,434.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.22 : 3,385.31 = 1,434.18 : x
2. Step 2: Convert to fraction form
   2,258.22/3,385.31 = 1,434.18/x
3. Step 3: Cross multiply
   2,258.22x = 3,385.31 × 1,434.18
4. Step 4: Simplify right side
   2,258.22x = 4,855,136.72
5. Step 5: Solve for x
   x = 4,855,136.72/2,258.22
6. Step 6: Final answer
   x = 2,149.98