Finding the Fourth Proportional to 1,855.86, 2,559.50 and 1,323.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.86 : 2,559.50 = 1,323.73 : x
2. Step 2: Convert to fraction form
   1,855.86/2,559.50 = 1,323.73/x
3. Step 3: Cross multiply
   1,855.86x = 2,559.50 × 1,323.73
4. Step 4: Simplify right side
   1,855.86x = 3,388,096.64
5. Step 5: Solve for x
   x = 3,388,096.64/1,855.86
6. Step 6: Final answer
   x = 1,825.62