Finding the Fourth Proportional to 1,321.89, 1,824.21 and 732.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321.89 : 1,824.21 = 732.42 : x
2. Step 2: Convert to fraction form
   1,321.89/1,824.21 = 732.42/x
3. Step 3: Cross multiply
   1,321.89x = 1,824.21 × 732.42
4. Step 4: Simplify right side
   1,321.89x = 1,336,087.89
5. Step 5: Solve for x
   x = 1,336,087.89/1,321.89
6. Step 6: Final answer
   x = 1,010.74