Finding the Fourth Proportional to 2,773, 3,826.76 and 1,531

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773 : 3,826.76 = 1,531 : x
2. Step 2: Convert to fraction form
   2,773/3,826.76 = 1,531/x
3. Step 3: Cross multiply
   2,773x = 3,826.76 × 1,531
4. Step 4: Simplify right side
   2,773x = 5,858,769.56
5. Step 5: Solve for x
   x = 5,858,769.56/2,773
6. Step 6: Final answer
   x = 2,112.79