Finding the Fourth Proportional to 2,184.72, 3,015.04 and 1,253.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.72 : 3,015.04 = 1,253.28 : x
2. Step 2: Convert to fraction form
   2,184.72/3,015.04 = 1,253.28/x
3. Step 3: Cross multiply
   2,184.72x = 3,015.04 × 1,253.28
4. Step 4: Simplify right side
   2,184.72x = 3,778,689.33
5. Step 5: Solve for x
   x = 3,778,689.33/2,184.72
6. Step 6: Final answer
   x = 1,729.60