Finding the Fourth Proportional to 2,459.25, 3,689.48 and 727.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.25 : 3,689.48 = 727.88 : x
2. Step 2: Convert to fraction form
   2,459.25/3,689.48 = 727.88/x
3. Step 3: Cross multiply
   2,459.25x = 3,689.48 × 727.88
4. Step 4: Simplify right side
   2,459.25x = 2,685,482.07
5. Step 5: Solve for x
   x = 2,685,482.07/2,459.25
6. Step 6: Final answer
   x = 1,091.99