Finding the Fourth Proportional to 1,269.27, 1,904.69 and 1,258.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269.27 : 1,904.69 = 1,258.83 : x
2. Step 2: Convert to fraction form
   1,269.27/1,904.69 = 1,258.83/x
3. Step 3: Cross multiply
   1,269.27x = 1,904.69 × 1,258.83
4. Step 4: Simplify right side
   1,269.27x = 2,397,684.06
5. Step 5: Solve for x
   x = 2,397,684.06/1,269.27
6. Step 6: Final answer
   x = 1,889.03