Finding the Fourth Proportional to 1,258.22, 1,874.58 and 1,196.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258.22 : 1,874.58 = 1,196.26 : x
2. Step 2: Convert to fraction form
   1,258.22/1,874.58 = 1,196.26/x
3. Step 3: Cross multiply
   1,258.22x = 1,874.58 × 1,196.26
4. Step 4: Simplify right side
   1,258.22x = 2,242,469.72
5. Step 5: Solve for x
   x = 2,242,469.72/1,258.22
6. Step 6: Final answer
   x = 1,782.26