Finding the Fourth Proportional to 2,456.52, 3,685.38 and 725.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.52 : 3,685.38 = 725.14 : x
2. Step 2: Convert to fraction form
   2,456.52/3,685.38 = 725.14/x
3. Step 3: Cross multiply
   2,456.52x = 3,685.38 × 725.14
4. Step 4: Simplify right side
   2,456.52x = 2,672,416.45
5. Step 5: Solve for x
   x = 2,672,416.45/2,456.52
6. Step 6: Final answer
   x = 1,087.89