Finding the Fourth Proportional to 1,342.77, 1,851.55 and 923.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.77 : 1,851.55 = 923.73 : x
2. Step 2: Convert to fraction form
   1,342.77/1,851.55 = 923.73/x
3. Step 3: Cross multiply
   1,342.77x = 1,851.55 × 923.73
4. Step 4: Simplify right side
   1,342.77x = 1,710,332.28
5. Step 5: Solve for x
   x = 1,710,332.28/1,342.77
6. Step 6: Final answer
   x = 1,273.73