Finding the Fourth Proportional to 1,196.09, 1,650.54 and 698.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.09 : 1,650.54 = 698.75 : x
2. Step 2: Convert to fraction form
   1,196.09/1,650.54 = 698.75/x
3. Step 3: Cross multiply
   1,196.09x = 1,650.54 × 698.75
4. Step 4: Simplify right side
   1,196.09x = 1,153,315.38
5. Step 5: Solve for x
   x = 1,153,315.38/1,196.09
6. Step 6: Final answer
   x = 964.24