Finding the Fourth Proportional to 1,153.98, 1,731.03 and 332.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.98 : 1,731.03 = 332.18 : x
2. Step 2: Convert to fraction form
   1,153.98/1,731.03 = 332.18/x
3. Step 3: Cross multiply
   1,153.98x = 1,731.03 × 332.18
4. Step 4: Simplify right side
   1,153.98x = 575,004.89
5. Step 5: Solve for x
   x = 575,004.89/1,153.98
6. Step 6: Final answer
   x = 498.28