Finding the Fourth Proportional to 2,675.05, 4,012.67 and 727.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,675.05 : 4,012.67 = 727.25 : x
2. Step 2: Convert to fraction form
   2,675.05/4,012.67 = 727.25/x
3. Step 3: Cross multiply
   2,675.05x = 4,012.67 × 727.25
4. Step 4: Simplify right side
   2,675.05x = 2,918,196.01
5. Step 5: Solve for x
   x = 2,918,196.01/2,675.05
6. Step 6: Final answer
   x = 1,090.90