Finding the Fourth Proportional to 2,289.82, 3,159.98 and 1,241.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289.82 : 3,159.98 = 1,241.89 : x
2. Step 2: Convert to fraction form
   2,289.82/3,159.98 = 1,241.89/x
3. Step 3: Cross multiply
   2,289.82x = 3,159.98 × 1,241.89
4. Step 4: Simplify right side
   2,289.82x = 3,924,347.56
5. Step 5: Solve for x
   x = 3,924,347.56/2,289.82
6. Step 6: Final answer
   x = 1,713.82