Finding the Fourth Proportional to 1,196.72, 1,651.45 and 699.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.72 : 1,651.45 = 699.43 : x
2. Step 2: Convert to fraction form
   1,196.72/1,651.45 = 699.43/x
3. Step 3: Cross multiply
   1,196.72x = 1,651.45 × 699.43
4. Step 4: Simplify right side
   1,196.72x = 1,155,073.67
5. Step 5: Solve for x
   x = 1,155,073.67/1,196.72
6. Step 6: Final answer
   x = 965.20