Finding the Fourth Proportional to 1,669.89, 2,304.28 and 923.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.89 : 2,304.28 = 923.73 : x
2. Step 2: Convert to fraction form
   1,669.89/2,304.28 = 923.73/x
3. Step 3: Cross multiply
   1,669.89x = 2,304.28 × 923.73
4. Step 4: Simplify right side
   1,669.89x = 2,128,532.56
5. Step 5: Solve for x
   x = 2,128,532.56/1,669.89
6. Step 6: Final answer
   x = 1,274.65