Finding the Fourth Proportional to 1,241.91, 1,713.83 and 682.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,241.91 : 1,713.83 = 682.39 : x
2. Step 2: Convert to fraction form
   1,241.91/1,713.83 = 682.39/x
3. Step 3: Cross multiply
   1,241.91x = 1,713.83 × 682.39
4. Step 4: Simplify right side
   1,241.91x = 1,169,491.88
5. Step 5: Solve for x
   x = 1,169,491.88/1,241.91
6. Step 6: Final answer
   x = 941.69