Finding the Fourth Proportional to 2,457.37, 3,685.62 and 725.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.37 : 3,685.62 = 725.59 : x
2. Step 2: Convert to fraction form
   2,457.37/3,685.62 = 725.59/x
3. Step 3: Cross multiply
   2,457.37x = 3,685.62 × 725.59
4. Step 4: Simplify right side
   2,457.37x = 2,674,230.59
5. Step 5: Solve for x
   x = 2,674,230.59/2,457.37
6. Step 6: Final answer
   x = 1,088.25