Finding the Fourth Proportional to 1,194.53, 1,648.71 and 911.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.53 : 1,648.71 = 911.69 : x
2. Step 2: Convert to fraction form
   1,194.53/1,648.71 = 911.69/x
3. Step 3: Cross multiply
   1,194.53x = 1,648.71 × 911.69
4. Step 4: Simplify right side
   1,194.53x = 1,503,104.18
5. Step 5: Solve for x
   x = 1,503,104.18/1,194.53
6. Step 6: Final answer
   x = 1,258.33