Finding the Fourth Proportional to 2,531.01, 3,796.05 and 681.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.01 : 3,796.05 = 681.69 : x
2. Step 2: Convert to fraction form
   2,531.01/3,796.05 = 681.69/x
3. Step 3: Cross multiply
   2,531.01x = 3,796.05 × 681.69
4. Step 4: Simplify right side
   2,531.01x = 2,587,729.32
5. Step 5: Solve for x
   x = 2,587,729.32/2,531.01
6. Step 6: Final answer
   x = 1,022.41