Finding the Fourth Proportional to 2,235.72, 3,085.20 and 1,241.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235.72 : 3,085.20 = 1,241.04 : x
2. Step 2: Convert to fraction form
   2,235.72/3,085.20 = 1,241.04/x
3. Step 3: Cross multiply
   2,235.72x = 3,085.20 × 1,241.04
4. Step 4: Simplify right side
   2,235.72x = 3,828,856.61
5. Step 5: Solve for x
   x = 3,828,856.61/2,235.72
6. Step 6: Final answer
   x = 1,712.58