Finding the Fourth Proportional to 2,024.24, 3,036.72 and 725.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,024.24 : 3,036.72 = 725.40 : x
2. Step 2: Convert to fraction form
   2,024.24/3,036.72 = 725.40/x
3. Step 3: Cross multiply
   2,024.24x = 3,036.72 × 725.40
4. Step 4: Simplify right side
   2,024.24x = 2,202,836.69
5. Step 5: Solve for x
   x = 2,202,836.69/2,024.24
6. Step 6: Final answer
   x = 1,088.23