Finding the Fourth Proportional to 2,185.76, 3,015.88 and 1,241.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.76 : 3,015.88 = 1,241.48 : x
2. Step 2: Convert to fraction form
   2,185.76/3,015.88 = 1,241.48/x
3. Step 3: Cross multiply
   2,185.76x = 3,015.88 × 1,241.48
4. Step 4: Simplify right side
   2,185.76x = 3,744,159.14
5. Step 5: Solve for x
   x = 3,744,159.14/2,185.76
6. Step 6: Final answer
   x = 1,712.98