Finding the Fourth Proportional to 2,059.16, 2,846.09 and 1,821.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.16 : 2,846.09 = 1,821.43 : x
2. Step 2: Convert to fraction form
   2,059.16/2,846.09 = 1,821.43/x
3. Step 3: Cross multiply
   2,059.16x = 2,846.09 × 1,821.43
4. Step 4: Simplify right side
   2,059.16x = 5,183,930.37
5. Step 5: Solve for x
   x = 5,183,930.37/2,059.16
6. Step 6: Final answer
   x = 2,517.50