Finding the Fourth Proportional to 1,196.51, 1,651.19 and 724.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.51 : 1,651.19 = 724.41 : x
2. Step 2: Convert to fraction form
   1,196.51/1,651.19 = 724.41/x
3. Step 3: Cross multiply
   1,196.51x = 1,651.19 × 724.41
4. Step 4: Simplify right side
   1,196.51x = 1,196,134.93
5. Step 5: Solve for x
   x = 1,196,134.93/1,196.51
6. Step 6: Final answer
   x = 999.69