Finding the Fourth Proportional to 1,196.76, 1,651.57 and 724.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.76 : 1,651.57 = 724.57 : x
2. Step 2: Convert to fraction form
   1,196.76/1,651.57 = 724.57/x
3. Step 3: Cross multiply
   1,196.76x = 1,651.57 × 724.57
4. Step 4: Simplify right side
   1,196.76x = 1,196,678.07
5. Step 5: Solve for x
   x = 1,196,678.07/1,196.76
6. Step 6: Final answer
   x = 999.93