Finding the Fourth Proportional to 1,196.66, 1,651.58 and 699.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.66 : 1,651.58 = 699.58 : x
2. Step 2: Convert to fraction form
   1,196.66/1,651.58 = 699.58/x
3. Step 3: Cross multiply
   1,196.66x = 1,651.58 × 699.58
4. Step 4: Simplify right side
   1,196.66x = 1,155,412.34
5. Step 5: Solve for x
   x = 1,155,412.34/1,196.66
6. Step 6: Final answer
   x = 965.53