Finding the Fourth Proportional to 1,196.64, 1,651.76 and 699.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.64 : 1,651.76 = 699.45 : x
2. Step 2: Convert to fraction form
   1,196.64/1,651.76 = 699.45/x
3. Step 3: Cross multiply
   1,196.64x = 1,651.76 × 699.45
4. Step 4: Simplify right side
   1,196.64x = 1,155,320.03
5. Step 5: Solve for x
   x = 1,155,320.03/1,196.64
6. Step 6: Final answer
   x = 965.47