Finding the Fourth Proportional to 1,559.89, 2,147.73 and 1,323.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.89 : 2,147.73 = 1,323.35 : x
2. Step 2: Convert to fraction form
   1,559.89/2,147.73 = 1,323.35/x
3. Step 3: Cross multiply
   1,559.89x = 2,147.73 × 1,323.35
4. Step 4: Simplify right side
   1,559.89x = 2,842,187.76
5. Step 5: Solve for x
   x = 2,842,187.76/1,559.89
6. Step 6: Final answer
   x = 1,822.05