Finding the Fourth Proportional to 2,184.89, 3,015.09 and 1,240.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.89 : 3,015.09 = 1,240.83 : x
2. Step 2: Convert to fraction form
   2,184.89/3,015.09 = 1,240.83/x
3. Step 3: Cross multiply
   2,184.89x = 3,015.09 × 1,240.83
4. Step 4: Simplify right side
   2,184.89x = 3,741,214.12
5. Step 5: Solve for x
   x = 3,741,214.12/2,184.89
6. Step 6: Final answer
   x = 1,712.32