Finding the Fourth Proportional to 2,123.02, 3,184.67 and 662.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.02 : 3,184.67 = 662.23 : x
2. Step 2: Convert to fraction form
   2,123.02/3,184.67 = 662.23/x
3. Step 3: Cross multiply
   2,123.02x = 3,184.67 × 662.23
4. Step 4: Simplify right side
   2,123.02x = 2,108,984.01
5. Step 5: Solve for x
   x = 2,108,984.01/2,123.02
6. Step 6: Final answer
   x = 993.39