Finding the Fourth Proportional to 1,336.47, 2,001.69 and 923.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.47 : 2,001.69 = 923.73 : x
2. Step 2: Convert to fraction form
   1,336.47/2,001.69 = 923.73/x
3. Step 3: Cross multiply
   1,336.47x = 2,001.69 × 923.73
4. Step 4: Simplify right side
   1,336.47x = 1,849,021.10
5. Step 5: Solve for x
   x = 1,849,021.10/1,336.47
6. Step 6: Final answer
   x = 1,383.51