Finding the Fourth Proportional to 1,196.83, 1,791.60 and 951.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.83 : 1,791.60 = 951.40 : x
2. Step 2: Convert to fraction form
   1,196.83/1,791.60 = 951.40/x
3. Step 3: Cross multiply
   1,196.83x = 1,791.60 × 951.40
4. Step 4: Simplify right side
   1,196.83x = 1,704,528.24
5. Step 5: Solve for x
   x = 1,704,528.24/1,196.83
6. Step 6: Final answer
   x = 1,424.20