Finding the Fourth Proportional to 1,196.73, 1,792.49 and 579.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.73 : 1,792.49 = 579.13 : x
2. Step 2: Convert to fraction form
   1,196.73/1,792.49 = 579.13/x
3. Step 3: Cross multiply
   1,196.73x = 1,792.49 × 579.13
4. Step 4: Simplify right side
   1,196.73x = 1,038,084.73
5. Step 5: Solve for x
   x = 1,038,084.73/1,196.73
6. Step 6: Final answer
   x = 867.43