Finding the Fourth Proportional to 1,100.89, 1,651.94 and 662.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.89 : 1,651.94 = 662.28 : x
2. Step 2: Convert to fraction form
   1,100.89/1,651.94 = 662.28/x
3. Step 3: Cross multiply
   1,100.89x = 1,651.94 × 662.28
4. Step 4: Simplify right side
   1,100.89x = 1,094,046.82
5. Step 5: Solve for x
   x = 1,094,046.82/1,100.89
6. Step 6: Final answer
   x = 993.78