Finding the Fourth Proportional to 2,185.14, 3,015.03 and 1,240.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.14 : 3,015.03 = 1,240.81 : x
2. Step 2: Convert to fraction form
   2,185.14/3,015.03 = 1,240.81/x
3. Step 3: Cross multiply
   2,185.14x = 3,015.03 × 1,240.81
4. Step 4: Simplify right side
   2,185.14x = 3,741,079.37
5. Step 5: Solve for x
   x = 3,741,079.37/2,185.14
6. Step 6: Final answer
   x = 1,712.05