Finding the Fourth Proportional to 2,235.89, 3,085.50 and 1,241.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235.89 : 3,085.50 = 1,241.15 : x
2. Step 2: Convert to fraction form
   2,235.89/3,085.50 = 1,241.15/x
3. Step 3: Cross multiply
   2,235.89x = 3,085.50 × 1,241.15
4. Step 4: Simplify right side
   2,235.89x = 3,829,576.04
5. Step 5: Solve for x
   x = 3,829,576.04/2,235.89
6. Step 6: Final answer
   x = 1,712.77