Finding the Fourth Proportional to 1,196.62, 1,651.51 and 724.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.62 : 1,651.51 = 724.55 : x
2. Step 2: Convert to fraction form
   1,196.62/1,651.51 = 724.55/x
3. Step 3: Cross multiply
   1,196.62x = 1,651.51 × 724.55
4. Step 4: Simplify right side
   1,196.62x = 1,196,596.26
5. Step 5: Solve for x
   x = 1,196,596.26/1,196.62
6. Step 6: Final answer
   x = 999.98