Finding the Fourth Proportional to 1,273.82, 1,910.43 and 493.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273.82 : 1,910.43 = 493.42 : x
2. Step 2: Convert to fraction form
   1,273.82/1,910.43 = 493.42/x
3. Step 3: Cross multiply
   1,273.82x = 1,910.43 × 493.42
4. Step 4: Simplify right side
   1,273.82x = 942,644.37
5. Step 5: Solve for x
   x = 942,644.37/1,273.82
6. Step 6: Final answer
   x = 740.01