Finding the Fourth Proportional to 1,321.02, 1,822.86 and 731.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321.02 : 1,822.86 = 731.52 : x
2. Step 2: Convert to fraction form
   1,321.02/1,822.86 = 731.52/x
3. Step 3: Cross multiply
   1,321.02x = 1,822.86 × 731.52
4. Step 4: Simplify right side
   1,321.02x = 1,333,458.55
5. Step 5: Solve for x
   x = 1,333,458.55/1,321.02
6. Step 6: Final answer
   x = 1,009.42