Finding the Fourth Proportional to 1,196.17, 1,650.64 and 724.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.17 : 1,650.64 = 724.33 : x
2. Step 2: Convert to fraction form
   1,196.17/1,650.64 = 724.33/x
3. Step 3: Cross multiply
   1,196.17x = 1,650.64 × 724.33
4. Step 4: Simplify right side
   1,196.17x = 1,195,608.07
5. Step 5: Solve for x
   x = 1,195,608.07/1,196.17
6. Step 6: Final answer
   x = 999.53