Finding the Fourth Proportional to 1,662.73, 2,294.53 and 999.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.73 : 2,294.53 = 999.34 : x
2. Step 2: Convert to fraction form
   1,662.73/2,294.53 = 999.34/x
3. Step 3: Cross multiply
   1,662.73x = 2,294.53 × 999.34
4. Step 4: Simplify right side
   1,662.73x = 2,293,007.38
5. Step 5: Solve for x
   x = 2,293,007.38/1,662.73
6. Step 6: Final answer
   x = 1,379.06