Finding the Fourth Proportional to 1,258.42, 1,736.03 and 963.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258.42 : 1,736.03 = 963.18 : x
2. Step 2: Convert to fraction form
   1,258.42/1,736.03 = 963.18/x
3. Step 3: Cross multiply
   1,258.42x = 1,736.03 × 963.18
4. Step 4: Simplify right side
   1,258.42x = 1,672,109.38
5. Step 5: Solve for x
   x = 1,672,109.38/1,258.42
6. Step 6: Final answer
   x = 1,328.74