Finding the Fourth Proportional to 2,288.94, 3,158.74 and 1,241

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.94 : 3,158.74 = 1,241 : x
2. Step 2: Convert to fraction form
   2,288.94/3,158.74 = 1,241/x
3. Step 3: Cross multiply
   2,288.94x = 3,158.74 × 1,241
4. Step 4: Simplify right side
   2,288.94x = 3,919,996.34
5. Step 5: Solve for x
   x = 3,919,996.34/2,288.94
6. Step 6: Final answer
   x = 1,712.58