Finding the Fourth Proportional to 1,100.76, 1,651.18 and 331.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.76 : 1,651.18 = 331.26 : x
2. Step 2: Convert to fraction form
   1,100.76/1,651.18 = 331.26/x
3. Step 3: Cross multiply
   1,100.76x = 1,651.18 × 331.26
4. Step 4: Simplify right side
   1,100.76x = 546,969.89
5. Step 5: Solve for x
   x = 546,969.89/1,100.76
6. Step 6: Final answer
   x = 496.90