Finding the Fourth Proportional to 2,123.22, 3,185.18 and 662.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.22 : 3,185.18 = 662.08 : x
2. Step 2: Convert to fraction form
   2,123.22/3,185.18 = 662.08/x
3. Step 3: Cross multiply
   2,123.22x = 3,185.18 × 662.08
4. Step 4: Simplify right side
   2,123.22x = 2,108,843.97
5. Step 5: Solve for x
   x = 2,108,843.97/2,123.22
6. Step 6: Final answer
   x = 993.23