Finding the Fourth Proportional to 2,349.25, 3,524.42 and 810.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,349.25 : 3,524.42 = 810.25 : x
2. Step 2: Convert to fraction form
   2,349.25/3,524.42 = 810.25/x
3. Step 3: Cross multiply
   2,349.25x = 3,524.42 × 810.25
4. Step 4: Simplify right side
   2,349.25x = 2,855,661.31
5. Step 5: Solve for x
   x = 2,855,661.31/2,349.25
6. Step 6: Final answer
   x = 1,215.56