Finding the Fourth Proportional to 1,063.27, 1,465.50 and 912.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.27 : 1,465.50 = 912.79 : x
2. Step 2: Convert to fraction form
   1,063.27/1,465.50 = 912.79/x
3. Step 3: Cross multiply
   1,063.27x = 1,465.50 × 912.79
4. Step 4: Simplify right side
   1,063.27x = 1,337,693.75
5. Step 5: Solve for x
   x = 1,337,693.75/1,063.27
6. Step 6: Final answer
   x = 1,258.09