Finding the Fourth Proportional to 2,062.81, 2,846.65 and 1,131.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.81 : 2,846.65 = 1,131.31 : x
2. Step 2: Convert to fraction form
   2,062.81/2,846.65 = 1,131.31/x
3. Step 3: Cross multiply
   2,062.81x = 2,846.65 × 1,131.31
4. Step 4: Simplify right side
   2,062.81x = 3,220,443.61
5. Step 5: Solve for x
   x = 3,220,443.61/2,062.81
6. Step 6: Final answer
   x = 1,561.19