Finding the Fourth Proportional to 2,531.67, 3,797.69 and 800.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.67 : 3,797.69 = 800.25 : x
2. Step 2: Convert to fraction form
   2,531.67/3,797.69 = 800.25/x
3. Step 3: Cross multiply
   2,531.67x = 3,797.69 × 800.25
4. Step 4: Simplify right side
   2,531.67x = 3,039,101.42
5. Step 5: Solve for x
   x = 3,039,101.42/2,531.67
6. Step 6: Final answer
   x = 1,200.43