Finding the Fourth Proportional to 1,321.55, 1,823.72 and 732.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321.55 : 1,823.72 = 732.07 : x
2. Step 2: Convert to fraction form
   1,321.55/1,823.72 = 732.07/x
3. Step 3: Cross multiply
   1,321.55x = 1,823.72 × 732.07
4. Step 4: Simplify right side
   1,321.55x = 1,335,089.32
5. Step 5: Solve for x
   x = 1,335,089.32/1,321.55
6. Step 6: Final answer
   x = 1,010.25