Finding the Fourth Proportional to 1,321.55, 1,823.67 and 732.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321.55 : 1,823.67 = 732.05 : x
2. Step 2: Convert to fraction form
   1,321.55/1,823.67 = 732.05/x
3. Step 3: Cross multiply
   1,321.55x = 1,823.67 × 732.05
4. Step 4: Simplify right side
   1,321.55x = 1,335,017.62
5. Step 5: Solve for x
   x = 1,335,017.62/1,321.55
6. Step 6: Final answer
   x = 1,010.19