Finding the Fourth Proportional to 2,775.43, 4,161.31 and 1,131.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.43 : 4,161.31 = 1,131.54 : x
2. Step 2: Convert to fraction form
   2,775.43/4,161.31 = 1,131.54/x
3. Step 3: Cross multiply
   2,775.43x = 4,161.31 × 1,131.54
4. Step 4: Simplify right side
   2,775.43x = 4,708,688.72
5. Step 5: Solve for x
   x = 4,708,688.72/2,775.43
6. Step 6: Final answer
   x = 1,696.56