Finding the Fourth Proportional to 1,241.83, 1,713.72 and 682.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,241.83 : 1,713.72 = 682.28 : x
2. Step 2: Convert to fraction form
   1,241.83/1,713.72 = 682.28/x
3. Step 3: Cross multiply
   1,241.83x = 1,713.72 × 682.28
4. Step 4: Simplify right side
   1,241.83x = 1,169,236.88
5. Step 5: Solve for x
   x = 1,169,236.88/1,241.83
6. Step 6: Final answer
   x = 941.54