Finding the Fourth Proportional to 2,123.93, 3,185.35 and 662.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.93 : 3,185.35 = 662.33 : x
2. Step 2: Convert to fraction form
   2,123.93/3,185.35 = 662.33/x
3. Step 3: Cross multiply
   2,123.93x = 3,185.35 × 662.33
4. Step 4: Simplify right side
   2,123.93x = 2,109,752.87
5. Step 5: Solve for x
   x = 2,109,752.87/2,123.93
6. Step 6: Final answer
   x = 993.33